# Recent questions tagged probability

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There are 6 pillows in a bed, 3 are red, 2 are yellow and 1 is blue. What is the probability of picking a yellow pillow?
There are 6 pillows in a bed, 3 are red, 2 are yellow and 1 is blue. What is the probability of picking a yellow pillow?There are 6 pillows in a bed, 3 are red, 2 are yellow and 1 is blue. What is the probability of picking a yellow pillow? ...
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a. What is the probability the 7 of spades is drawn?
a. What is the probability the 7 of spades is drawn? &nbsp;A card is drawn from a standard deck of 52 cards.&nbsp; &nbsp;a. What is the probability the 7 of spades is drawn? b. What is the proba ...
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Does MathsGee have a Plinko Probability simulation?
Does MathsGee have a Plinko Probability simulation?Does MathsGee have a Plinko Probability simulation? ...
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Determine the probability as a percentage of randomly selecting a colours male from the total population
Determine the probability as a percentage of randomly selecting a colours male from the total population Determine the probability as percentage of randomly selected a colours male from the total ...
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Josh rolls one six-sided die and one four-sided die. What is the probability he will roll two odd numbers?
Josh rolls one six-sided die and one four-sided die. What is the probability he will roll two odd numbers?Josh rolls one six-sided die and one four-sided die. What is the probability he will roll two odd numbers? ...
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conditional probability problem...help
conditional probability problem...helpThere are 4 balls in the pocket. What you want to know is the number of green balls in your pocket. Since we do not know the number of green balls i ...
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Consider a Binomial experiment with 6 trials and p=0.6. Compute the probability of 3 successful outcome.
Consider a Binomial experiment with 6 trials and p=0.6. Compute the probability of 3 successful outcome.This is a math question specifically under probability and statistics ...
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Thirteen cubes of the same size numbered 1 to 13 are placed in a bag. If two cubes are drawn at random from the bag one after the other and not replaced, what is the probability thatThirteen cubes of the same size numbered 1 to 13 are placed in a bag. If two cubes are drawn at random from the bag one after the other and not replac ...
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How is it that data from a normal distribution that is more than 2 standard deviations from the mean is 5%? It seems to contradict the 68-95-99.7 rule.
How is it that data from a normal distribution that is more than 2 standard deviations from the mean is 5%? It seems to contradict the 68-95-99.7 rule. How is it that data from a normal distribution that is more than 2 standard deviations from the mean is 5%? It seems to contradict the 68-95-99.7 ru ...
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The probability that if one identical (monozygotic) twin is diagnosed with schizophrenia, so will the other twin is
The probability that if one identical (monozygotic) twin is diagnosed with schizophrenia, so will the other twin isThe probability that if one identical (monozygotic) twin is diagnosed with schizophrenia, so will the other twin is A. $90 \%$ B. $50 \%$ C. $10 ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 What is choice modeling? 1 answer 97 views What is choice modeling?What is choice modeling? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Write out a model for the observed utility of each chocolate bar in the above set. 0 answers 46 views Write out a model for the observed utility of each chocolate bar in the above set. a) Write out a model for the observed utility of each chocolate bar in the above set. b) If the coefficient for the price attribute was \(-0. ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 How do we calculate the observed utility \(v_j$?
How do we calculate the observed utility $v_j$?How do we calculate the observed utility $v_j$? ...
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A consumer is making a choice between two bars of chocolate: milk chocolate $(m)$ and dark chocolate $(d)$. Assume that we know the observed utility of each bar to be $v_{m}=3$ and $v_{d}=4 .$A consumer is making a choice between two bars of chocolate: milk chocolate $(m)$ and dark chocolate $(d)$. Assume that we know the observed utili ...
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The value of a random variable, $\tilde{x}$, is determined by rolling one fair, 6-sided dice. Draw the PDF and CDF of $\tilde{x}$.
The value of a random variable, $\tilde{x}$, is determined by rolling one fair, 6-sided dice. Draw the PDF and CDF of $\tilde{x}$.The value of a random variable, $\tilde{x}$, is determined by rolling one fair, 6-sided dice. Draw the PDF and CDF of $\tilde{x}$. ...
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A random variable, $\tilde{x}$, has a uniform distribution between the values 0 and 1 . Draw the probability density function (PDF) and Cumulative Density Function (CDF) of $\tilde{x}$.A random variable, $\tilde{x}$, has a uniform distribution between the values 0 and 1 . Draw the probability density function (PDF) and Cumulative D ...
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A random variable, $\tilde{x}$, has the PDF, $f_{\tilde{x}}(x)$. Write the equation to compute its total probability (hint: think area under the curve!). What is the answer to the equation?A random variable, $\tilde{x}$, has the PDF, $f_{\tilde{x}}(x)$. Write the equation to compute its total probability (hint: think area under the c ...
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What method can I use to determine the probability that the value if a random variable $x$ is less than or equal to value $a$?
What method can I use to determine the probability that the value if a random variable $x$ is less than or equal to value $a$?What method can I use to determine the probability that the value if a random variable $x$ is less than or equal to value $a$? ...
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In order to fix a crack in the side of the pool 46kl of water had to be drained from the pool
In order to fix a crack in the side of the pool 46kl of water had to be drained from the pool &nbsp; Kl Tariff 0-9kl R0 9kl-25kl R9.27 26kl-30kl R12.36 ...
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Approximately $75 \%$ of all marketing personnel are extroverts, whereas about $60 \%$ of all computer programmers are introverts.
Approximately $75 \%$ of all marketing personnel are extroverts, whereas about $60 \%$ of all computer programmers are introverts.Approximately $75 \%$ of all marketing personnel are extroverts, whereas about $60 \%$ of all computer programmers are introverts. &nbsp;At a mee ...
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A market research firm has determined that $40 \%$ of the people in a certain area have seen the advertising for a new product and that $85 \%$ of those who have seen the advertising have purchased the product.A market research firm has determined that $40 \%$ of the people in a certain area have seen the advertising for a new product and that $85 \%$ of ...
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Describe probability proportion to size sampling
Describe probability proportion to size samplingDescribe probability proportion to size sampling with is calculations and formulas ...
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Suppose that for three dice of the standard type all 216 outcomes of a throw are equally likely. Denote the scores obtained by $X_{1}, X_{2}$ and $X_{3}$.
Suppose that for three dice of the standard type all 216 outcomes of a throw are equally likely. Denote the scores obtained by $X_{1}, X_{2}$ and $X_{3}$.Suppose that for three dice of the standard type all 216 outcomes of a throw are equally likely. Denote the scores obtained by $X_{1}, X_{2}$ and $... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 A six-sided die has four green and two red faces and is balanced so that each face is equally likely to come up. The die will be rolled several times. 1 answer 110 views A six-sided die has four green and two red faces and is balanced so that each face is equally likely to come up. The die will be rolled several times.A six-sided die has four green and two red faces and is balanced so that each face is equally likely to come up. The die will be rolled several times. ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 You consult Joe the bookie as to the form in the \(2.30$ at Ayr. He tells you that, of 16 runners, the favourite has probability $0.3$ of winning, ...
You consult Joe the bookie as to the form in the $2.30$ at Ayr. He tells you that, of 16 runners, the favourite has probability $0.3$ of winning, ...You consult Joe the bookie as to the form in the $2.30$ at Ayr. He tells you that, of 16 runners, the favourite has probability $0.3$ of winning, ...
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M\&M sweets are of varying colours and the different colours occur in different proportions. The table below gives the probability that a randomly chosen M\&M has each colour, but the value for tan candies is missing.M\&amp;M sweets are of varying colours and the different colours occur in different proportions. The table below gives the probability that a randomly ...
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A bag contains fifteen balls distinguishable only by their colours; ten are blue and five are red. I reach into the bag with both hands and pull out two balls (one with each hand) and record their colours.A bag contains fifteen balls distinguishable only by their colours; ten are blue and five are red. I reach into the bag with both hands and pull out t ...
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A fair coin is tossed, and a fair die is thrown. Write down sample spaces for
A fair coin is tossed, and a fair die is thrown. Write down sample spaces forA fair coin is tossed, and a fair die is thrown. Write down sample spaces for (a) the toss of the coin; (b) the throw of the die; (c) the combination ...
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Give three multiples of $20 .$
Give three multiples of $20 .$Give three multiples of $20 .$ ...
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What are some of the discrete probability distributions?
What are some of the discrete probability distributions?What are some of the discrete probability distributions? ...
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A new building company distributes flyers at the 2020 Homemakers Expo. The building company on average signed five new contracts per 10 flyers handed out with clients who need building services.A new building company distributes flyers at the 2020 Homemakers Expo. The building company on average signed five new contracts per 10 flyers handed ...
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A grain company called Splitting My Grain analyses and tabulates the number of sales it fulfilled in 2020 in the table below:
A grain company called Splitting My Grain analyses and tabulates the number of sales it fulfilled in 2020 in the table below: A grain company called Splitting My Grain analyses and tabulates the number of sales it fulfilled in 2020 in the table below: \ \begin{array}{l ...
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Calculate $P(500)$ (the enrollment in Math 151 in fall of 2500). Simplify your answer as much as possible. The answer will be quite large.
Calculate $P(500)$ (the enrollment in Math 151 in fall of 2500). Simplify your answer as much as possible. The answer will be quite large.Assume that Math 151 in fall of 2000 had an enrollment of 500 students and in fall 2002 had an enrollment of 750 students. Assume also that if $P(t)\ ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 In a cafe, the customer arrives at a mean rate of 2 per \(\min$. Find the probability of arrival of 5 customers in 1 minute using the Poisson distribution formula.
In a cafe, the customer arrives at a mean rate of 2 per $\min$. Find the probability of arrival of 5 customers in 1 minute using the Poisson distribution formula.In a cafe, the customer arrives at a mean rate of 2 per $\min$. Find the probability of arrival of 5 customers in 1 minute using the Poisson distrib ...
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If $3 \%$ of electronic units manufactured by a company are defective. Find the probability that in a sample of 200 units, less than 2 bulbs are defective.
If $3 \%$ of electronic units manufactured by a company are defective. Find the probability that in a sample of 200 units, less than 2 bulbs are defective.If $3 \%$ of electronic units manufactured by a company are defective. Find the probability that in a sample of 200 units, less than 2 bulbs are def ...
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What does Laplace's Rule of succession state?
What does Laplace's Rule of succession state?What does Laplace's Rule of succession state? ...
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What is the difference between chance, likelihood and odds in probability?
What is the difference between chance, likelihood and odds in probability?What is the difference between chance, likelihood and odds in probability? ...
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How can you determine if it is a positive or negative relationship?
How can you determine if it is a positive or negative relationship?How can you determine if it is a positive or negative relationship? ...
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What do z-scores denote?
What do z-scores denote?What do z-scores denote? ...
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Let $T$ be the transition matrix for a Markov chain. If there is some power $k$ for which all of the elements of $T^{k}$ are positive, show that all the elements of $T^{k+1}$ are positive.Let $T$ be the transition matrix for a Markov chain. If there is some power $k$ for which all of the elements of $T^{k}$ are positive, show that ...
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Show that the matrix $\lim _{k \rightarrow \infty} T^{k}$ has all of its columns equal to $P_{\infty}$.
Show that the matrix $\lim _{k \rightarrow \infty} T^{k}$ has all of its columns equal to $P_{\infty}$.If $T$ is the transition matrix of a regular Markov process (so for some $k$ all the entries of $T^{k}$ are positive), we know there is a probab ...
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Form a Markov chain by following the job of a randomly chosen child of a given family through several generations. Set up the matrix of transition probabilities.
Form a Markov chain by following the job of a randomly chosen child of a given family through several generations. Set up the matrix of transition probabilities.Assume (naively) that a person's job can be classified as professional, skilled, or unskilled. Assume that, of the children of professional parents, 8 ...
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A certain plant species has either red (dominant), pink (hybred), or white (recesive) flowers, depending on its genotype.
A certain plant species has either red (dominant), pink (hybred), or white (recesive) flowers, depending on its genotype.A certain plant species has either red (dominant), pink (hybred), or white (recesive) flowers, depending on its genotype. If you cross a pink plant wi ...
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Let $T$ be the transition matrix of a Markov process. If $P$ is a probability vector, show that $T P$ is also a probability vector.
Let $T$ be the transition matrix of a Markov process. If $P$ is a probability vector, show that $T P$ is also a probability vector.Let $T$ be the transition matrix of a Markov process. If $P$ is a probability vector, show that $T P$ is also a probability vector. ...
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Say you pick a point $(x, y)$ at random in the unit square $0 \leq x \leq 1,0 \leq y \leq 1$. Compute the probability it will be in the set
Say you pick a point $(x, y)$ at random in the unit square $0 \leq x \leq 1,0 \leq y \leq 1$. Compute the probability it will be in the setSay you pick a point $(x, y)$ at random in the unit square $0 \leq x \leq 1,0 \leq y \leq 1$. Compute the probability it will be in the set \ S=\ ...
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Say you pick a point $x$ at random in the interval $0 \leq x \leq 1$. What is the probbility that it will be in the set
Say you pick a point $x$ at random in the interval $0 \leq x \leq 1$. What is the probbility that it will be in the setSay you pick a point $x$ at random in the interval $0 \leq x \leq 1$. What is the probability that it will be in the set a) $S=\{x \leq 1 / 2$ a ...
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A number, $k$, of people are subjected to a blood test, the result of which is either "positive" or "negative". It can be processed in two ways:
A number, $k$, of people are subjected to a blood test, the result of which is either "positive" or "negative". It can be processed in two ways:A number, $k$, of people are subjected to a blood test, the result of which is either &quot;positive&quot; or &quot;negative&quot;. It can be proces ...
Would you accept a gamble that offers a 10-percent chance to win $\ 95$ and a 90-percent chance to lose \$5? 0 answers 56 views Would you accept a gamble that offers a 10-percent chance to win $\ 95$ and a 90-percent chance to lose \$5?a). Would you accept a gamble that offers a 10-percent chance to win $\ 95$ and a 90-percent chance to lose \\$5? b). Would you pay $\ 5$ to part ...