I have a statistics class of 20 students, of whom 12 are female. I randomly select three

Question:

I have a statistics class of 20 students, of whom 12 are female. I randomly select three students to make a group presentation to the class. What is the probability of the following occurring?

a. All of the students in the group are male.

b. One of the students in the group is male.

c. Two of the students in the group are male.

d. All three students in the group are female.

e. Calculate the mean and standard deviation for the distribution which defines selecting a male as a success.

f. Verify these results with Excel.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...