Author Question: The standard deviation of all possible x values is called the _____. a. standard error of ... (Read 120 times)

misspop · **on:** Jun 24, 2018

The standard deviation of all possible x values is called the _____.
a. standard error of proportion
b. standard error of the mean
c. mean deviation
d. central variation

Question 2

In a large corporation, 65 of the employees are male. A random sample of 5 employees is selected.
a. Define the random variable in words for this experiment.
b. What is the probability that the sample contains exactly 3 male employees?
c. What is the probability that the sample contains no male employees?
d. What is the probability that the sample contains more than 3 female employees?
e. What is the expected number of female employees in the sample?

Briannahope · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

b

Answer to Question 2

a. x = the number of male employees out of 5 or y = the number of female employees out of 5
b. .3364
c. .0053
d. .0541
e. 1.75