A CNBC study in 2017 determined only 35% of adults have zero to only a couple of hundred dollars in a savings account. With n = 5 and p = 0.35, using the binomial probability distribution, what is the mean and the standard deviation of the population? Hint: $\sigma$ =
A) 5 and 1.13 respectively
B) 1.75 and 1.0665 respectively
C) 2.50 and 1.1705 respectively
D) 1.55 and 1.1375 respectively

Question

A CNBC study in 2017 determined only 35% of adults have zero to only a couple of hundred dollars in a savings account. With n = 5 and p = 0.35, using the binomial probability distribution, what is the mean and the standard deviation of the population? Hint:  $\sigma$ = 
A) 5 and 1.13 respectively 
B) 1.75 and 1.0665 respectively 
C) 2.50 and 1.1705 respectively 
D) 1.55 and 1.1375 respectively

Quizplus · Accepted Answer

The Answer is B

A CNBC Study in 2017 Determined Only 35% of Adults σ\sigmaσ

A CNBC Study in 2017 Determined Only 35% of Adults $\sigma$