Author Question: Twenty-five percent of all resumes received by a corporation for a management position are from ... (Read 154 times)

KWilfred · **on:** Jun 24, 2018

Twenty-five percent of all resumes received by a corporation for a management position are from females. Fifteen resumes will be received tomorrow.
a. Define the random variable in words for this experiment.
b. What is the probability that exactly 5 of the resumes will be from females?
c. What is the probability that fewer than 3 of the resumes will be from females?
d. What is the expected number of resumes from women?
e. What is the variance of the number of resumes from women?

Question 2

In order to test for the significance of a regression model involving 4 independent variables and 36 observations, the numerator and denominator degrees of freedom (respectively) for the critical value of F are
a. 4 and 36
b. 3 and 35
c. 4 and 31
d. 4 and 32

adammoses97 · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

a. x = the number of resumes out of 15 that are from females
b. 0.1651
c. 0.2361
d. 3.75
e. 2.8125

Answer to Question 2

C