What is the probability that exactly 3 families

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Reference no: EM131939270

1. If 2 people who do not study together take the course described in find:

a. P(2 A's)

b. P(same grade)

c. P(different grades)

d. P(both higher than D)

e. P(both fail)

f. P(one passes and one fails)

2. In a certain city, a fourth of the families take their children to the doctor for regular checkups. Five families are chosen at random.

a. What is the probability that exactly 3 families out of the 5 take their children to the doctor for regular checkups?

b. What is the probability that at most 2 families out of the 5 take their children for regular checkups?

c. What is the probability that more than 1 family out of the 5 take their children?

Reference no: EM131939270

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