Question: For the 2 situations below, make a list, table, or tree diagram of all the possible outcomes. Then use that to answer the questions. 1.

For the 2 situations below, make a list, table, or tree diagram of all the possible outcomes. Then use that to answer the questions.

1. A family has 4 children. Assume that the chances of having a boy or a girl are equally likely. Enter answers as fractions.

a. What is the probability that the family has 3 girls?

b. What is the probabilty that the family has a boy, a girl, a boy, and a boy or girl?

c. What is the probability that the family has at least 3 girls?

2. A consumer buys a package of 4 flashbulbs, not knowing that 1 of the bulbs is bad. List the outcomes in the sample space if 2 bulbs are selected randomly, and then find the probabilities of the following events. Give answers as fractions.

a.Both bulbs are good. b. One of the bulbs is bad.

3. When computing the probability of an event, a student obtains the answer of "2". What could you say to convince this student that his answer does not make sense?

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