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Probability and Statistics Could you please solve the following questions with specifying the answers A. If...

Probability and Statistics
Could you please solve the following questions with specifying the answers

A. If you win $100 for rolling a 12, win $10 for rolling a number less than 6, and lose $4 for rolling anything else, what are your expected winnings per play?

a. $1.94          b. $4.72         c. $2.78         d. -$.68

B. A committee of 7 is be selected from a group of 22 people. How many such committees are possible?

a. 22,254      b. 319,770      c, 170,544     d. 101,458

C. A woman plans on having four children. What is the probability she will have at most 2 boys?

a. 11/16         b. 1/2         c. 9/16        d. 6/16

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