Question 13 (2 points)

HOW MANY WAYS 4 PIZZA TOPPINGS BE SELECTED FROM A CHOICE OF 12 TOPPINGS CAN BE CHOSEN ONLY ONCE?

Question 14 (3 points)

How many different ways can 5 out of 8 different shirts, 4 out of 10 different pairs of slacks, and 3 out of 6 different ties be selected?

Question 15 (1 point)

The probability of getting exactly x success is n trails is denoted by,

P(X=x)=

Question 16 (6 points)

The question, "Do you smoke?" was asked of 100 people. Results are shown in the table.

.	Yes	No	Total
Male	17	43	60
Female	10	30	40
Total	27	73	100

• What is the probability of a randomly selected individual being a male who smokes?
• What is the probability of a randomly selected individual being a male?
• What is the probability of a randomly selected individual smoking?
• What is the probability of a randomly selected male smoking? This time, you're told that you have a male - think of stratified sampling. What is the probability that the male smokers?
• What is the probability that a randomly selected smoker is male?