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Which online platform is the best for interactive math and science?
answered
6 hours
ago
in
Teaching & Learning

5
views
math
online
interactive
science
learn
new
ways
1
like
0
dislike
Where can I do GMAT and GRE practice question with answers online?
answered
6 hours
ago
in
Magoosh

5
views
gmat
gre
practice
question
answers
online
0
like
0
dislike
What is biology?
answered
6 hours
ago
in
Life Sciences

4
views
life
sciences
biology
1
like
0
dislike
A bag contains 3 yellow and 4 black beads. We remove a random bead from the bag, record its colour and put it back into the bag. We then remove another random bead from the bag and record its colour.
answered
7 hours
ago
in
Data Science & Statistics

5
views
calculate
marbles
percentage
points
random
0
like
0
dislike
Write down which of the following events are dependent and which are independent:
answered
7 hours
ago
in
Data Science & Statistics

4
views
independent
events
probability
dependent
difference
between
dependant
0
like
0
dislike
\(8 \div 2(2+2)=?\)
answered
7 hours
ago
in
Mathematics

4
views
number
basicnumeracy
bnu1501
bodmas
semester1
assignment
exponential
0
like
0
dislike
State the product rule in probability
answered
7 hours
ago
in
Data Science & Statistics

4
views
rule
state
probability
product
exponents
differentiation
power
1
like
0
dislike
Evaluate \( \frac{d f}{d t}=\lim _{h \rightarrow 0} \frac{f(t+h)f(t)}{h} \)
answered
7 hours
ago
in
Mathematics

5
views
limits
calculus
function
calculate
concave
integration
neighborhood
0
like
0
dislike
State the complementary rule of probability mathematically
answered
7 hours
ago
in
Data Science & Statistics

6
views
rule
state
probability
differentiation
exponents
power
product
0
like
0
dislike
State the addition (sum) rule for two mutually exclusive events
answered
7 hours
ago
in
Data Science & Statistics

6
views
mutually
probability
events
mutuallyexclusive
calculate
not
additionlaw
0
like
0
dislike
State the addition (sum) rule in probability
answered
7 hours
ago
in
Data Science & Statistics

5
views
state
addition
sum
rule
probability
0
like
0
dislike
What is the difference between independent and dependent events in probability?
answered
7 hours
ago
in
Data Science & Statistics

5
views
independent
difference
probability
events
between
dependant
dependent
0
like
0
dislike
What are complementary events?
answered
7 hours
ago
in
Data Science & Statistics

6
views
complementary
events
probability
calculate
identify
0
like
0
dislike
When are two events mutually exclusive?
answered
7 hours
ago
in
Data Science & Statistics

5
views
mutuallyexclusive
events
not
additionlaw
probability
mutually
calculate
0
like
0
dislike
What do we mean by the intersection of sets A and B?
answered
7 hours
ago
in
Data Science & Statistics

5
views
mathematics
sets
define
union
intersection
three
more
0
like
0
dislike
What do we mean by the union of sets A and B?
answered
7 hours
ago
in
Data Science & Statistics

5
views
sets
union
mathematics
define
three
more
intersection
0
like
0
dislike
What is relative frequency?
answered
7 hours
ago
in
Data Science & Statistics

5
views
frequency
relative
identify
0
like
0
dislike
How would you define probability?
answered
7 hours
ago
in
Data Science & Statistics

5
views
chance
define
probability
0
like
0
dislike
What is an event in probability?
answered
7 hours
ago
in
Data Science & Statistics

7
views
probability
sample
event
outcome
space
mean
samplespace
0
like
0
dislike
What is a sample space?
answered
7 hours
ago
in
Data Science & Statistics

7
views
sample
space
probability
calculate
die
outcome
fair
0
like
0
dislike
What is an outcome in probability?
answered
7 hours
ago
in
Data Science & Statistics

7
views
probability
outcome
mean
maths
samplespace
sample
space
0
like
0
dislike
Simosethu puts \(\mathrm{R} 450\) into a bank account at the Bank of Upington. Simosethu's account pays interest at a rate of \(7,11 \%\) p.a. compounded monthly. After how many years will the bank account have a balance of \(\mathrm{R} 619,09\) ?
answered
7 hours
ago
in
Mathematics

8
views
interest
calculate
bank
price
rate
compound
investment
0
like
0
dislike
A university lecturer retires at the age of \(60 .\) She has saved \(R 300000\) over the years.
answered
7 hours
ago
in
Mathematics

7
views
price
interest
calculate
bank
compound
simple
lumpsum
0
like
0
dislike
Mr. and Mrs. Dlamini want to save money for their son's university fees. They deposit \(\mathrm{R} 7000\) in a savings account with a fixed interest rate of \(6,5 \%\) per year compounded annually.
answered
8 hours
ago
in
Mathematics

8
views
calculate
bank
compound
interest
price
investment
rate
0
like
0
dislike
Some time ago, a man opened a savings account at KMT South Bank and deposited an amount of \(R 2100\). The balance of his account is now R 3160,59 .
answered
8 hours
ago
in
Mathematics

10
views
bank
calculate
compound
interest
price
investment
rate
0
like
0
dislike
The annual rate of depreciation of a vehicle is \(15 \%\). A new vehicle costs \(\mathrm{R} 122000\). After how many years will the vehicle be worth less than \(\mathrm{R} 40000 ?\)
answered
8 hours
ago
in
Mathematics

9
views
calculate
price
interest
bank
compound
investment
rate
0
like
0
dislike
When Banele was still in high school he deposited \(\mathrm{R} 2250\) into a savings account with an interest rate of \(6,99 \%\) per annum compounded yearly.
answered
8 hours
ago
in
Mathematics

8
views
interest
investment
rate
compound
calculate
bank
price
0
like
0
dislike
Sally invests R 120000 at an interest rate of \(12 \%\) per annum compounded quarterly. How long will it take for her investment to double?
answered
8 hours
ago
in
Mathematics

8
views
interest
calculate
investment
bank
rate
price
compound
0
like
0
dislike
Nzuzo invests R 80000 at an interest rate of \(7,5 \%\) per annum compounded yearly. How long will it take for his investment to grow to R 100000 ?
answered
8 hours
ago
in
Mathematics

7
views
interest
calculate
investment
rate
compound
bank
price
0
like
0
dislike
Margo has R 12000 to invest and needs the money to grow to at least \(\mathrm{R} 30000\) to pay for her daughter's studies. If it is invested at a compound interest rate of \(9 \%\) per annum,
answered
8 hours
ago
in
Mathematics

8
views
calculate
cost
invest
interest
simple
bank
price
0
like
0
dislike
Thembile invests \(\mathrm{R} 3500\) into a savings account which pays \(7,5 \%\) per annum compounded yearly. After an unknown period of time his account is worth \(\mathrm{R} 4044,69\). For how long did Thembile invest his money?
answered
8 hours
ago
in
Mathematics

7
views
calculate
interest
bank
price
compound
rate
investment
0
like
0
dislike
What is Stereotyping bias?
answered
23 hours
ago
in
Psychology & Neuroscience

17
views
stereotyping
bias
effect
0
like
0
dislike
What is Status quo bias?
answered
23 hours
ago
in
Psychology & Neuroscience

13
views
status
quo
bias
0
like
0
dislike
What is Social desirability bias?
answered
23 hours
ago
in
Psychology & Neuroscience

10
views
social
desirability
bias
0
like
0
dislike
What is Social comparison bias?
answered
23 hours
ago
in
Psychology & Neuroscience

11
views
social
comparison
bias
0
like
0
dislike
What is Sexual overperception bias / sexual underperception bias?
answered
23 hours
ago
in
Psychology & Neuroscience

24
views
sexual
overperception
bias
underperception
0
like
0
dislike
What is the Semmelweis reflex bias?
answered
23 hours
ago
in
Psychology & Neuroscience

13
views
semmelweis
reflex
bias
0
like
0
dislike
What is Selective perception bias?
answered
23 hours
ago
in
Psychology & Neuroscience

10
views
selective
perception
bias
0
like
0
dislike
What is selection bias?
answered
23 hours
ago
in
Psychology & Neuroscience

10
views
sample
selection
bias
0
like
0
dislike
What is the Risk compensation / Peltzman effect?
answered
23 hours
ago
in
Psychology & Neuroscience

11
views
risk
compensation
peltzman
effect
0
like
0
dislike
What is Rhyme as reason effect?
answered
23 hours
ago
in
Psychology & Neuroscience

12
views
rhyme
reason
effect
bias
0
like
0
dislike
What is Restraint bias?
answered
23 hours
ago
in
Psychology & Neuroscience

10
views
restraint
bias
effect
0
like
0
dislike
What is Regressive bias?
answered
23 hours
ago
in
Psychology & Neuroscience

11
views
regressive
bias
effect
0
like
0
dislike
What is Recency illusion bias?
answered
23 hours
ago
in
Psychology & Neuroscience

10
views
recency
illusion
bias
0
like
0
dislike
What is Reactive devaluation bias?
answered
23 hours
ago
in
Psychology & Neuroscience

8
views
reactive
devaluation
bias
0
like
0
dislike
What is Reactance bias?
answered
23 hours
ago
in
Psychology & Neuroscience

9
views
reactance
bias
effect
1
like
0
dislike
What is Pseudocertainty effect?
answered
23 hours
ago
in
Psychology & Neuroscience

11
views
pseudocertainty
effect
bias
1
like
0
dislike
What is Projection bias?
answered
23 hours
ago
in
Psychology & Neuroscience

10
views
projection
bias
effect
0
like
0
dislike
What is Proinnovation bias?
answered
23 hours
ago
in
Psychology & Neuroscience

9
views
proinnovation
bias
effect
0
like
0
dislike
What is the Postpurchase rationalization?
answered
23 hours
ago
in
Psychology & Neuroscience

12
views
bias
postpurchase
rationalization
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