As the sample size increases, the _____.
a. standard deviation of the population decreases
b. population mean increases
c. standard error of the mean decreases
d. standard error of the mean increases
Question 2
Twenty-five percent of all rsums received by a corporation for a management position are from females. Fifteen rsums will be received tomorrow.
a. Define the random variable in words for this experiment.
b. What is the probability that exactly 5 of the rsums will be from females?
c. What is the probability that fewer than 3 of the rsums will be from females?
d. What is the expected number of rsums from women?
e. What is the variance of the number of rsums from women?