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Four people - Roger, Gail, Simon, and Lisa, - enter their names into a drawing. The winner receives a sweater, hat, or scarf. The prize they receive is randomly selected. What is the probability that either: Gail wins and is given a scarf, or Simon wins (and is given any prize)?

User Anirus
by
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2 Answers

1 vote

Answer:

4/12=1/3

Explanation:

Had this on my test its right

User Patcoll
by
3.8k points
6 votes

Answer:

1/3

Explanation:

The probability of a student winning is 1/4.

The probability of a prize being selected is 1/3.

The probability of Gail winning a scarf is 1/4 × 1/3 = 1/12.

The probability of Simon winning is 1/4.

The probability of either is 1/12 + 1/4 = 1/3.

User Jahangir Kabir
by
3.5k points