according to college survey, 22% of all students work full time. find the mean for the random variable X, the number of students who work full time in smaples of size 16

Step-by-step explanation:

Given

Required

Determine the mean of the proportion

The mean or expected value of a sample is calculated by multiplying the sample size by the proportion as follows;

Where

-- Sample Size

-- Proportion

So:

becomes

Convert 22% to decimal

Hence, the mean is 3.52

what is the original number? you forgot to add it.