Salem University's MBA program has a 55% acceptance rate.You randomly select a sample of 20 applicants.For the random variable "number of applicants in the sample who are accepted into the program," compute the standard deviation.
A)3.88
B)1.22
C)2.98
D)2.23
E)3.45

Question

Quizplus · Accepted Answer

The standard deviation for a binomial distribution is calculated using the formula: √(n * p * (1-p)), where n is the number of trials (20 applicants), and p is the probability of success (0.55 acceptance rate). Plugging in the values gives √(20 * 0.55 * 0.45) = 2.23.

Salem University's MBA Program Has a 55% Acceptance Rate