Stats

Question 1

What percentage of the data is within 1 standard deviation of the mean in normal distribution?

Answer 1

68%

Question 2

What percentage of the data is within 2 standard deviations of the mean in normal distribution?

Answer 2

95%

Question 3

What percentage of the data is within 3 standard deviations of the mean in normal distribution?

Answer 3

99.7%

Question 4

How to find the normal mean fron binomial values?

Answer 4

Mu = n × p

Question 5

How to find the normal variance from binomial values?

Answer 5

N × p × (1-p)

Question 6

How do you find the normal distribution of the mean for a variable X, given its normal distribution is defined as X ~ n(mu, sigma^2)?

Answer 6

X ~ n(mu, (sigma)/sqrt(n)^2)

Question 7

What is the formula used to find P(B|A)?

Answer 7

P(A AND B)/P(A)