SOLUTION: Mrs. Jones surveys her class. 75% students have brothers. 82% have sisters. 65% have both. What is the probability that a students has a brother or a sister?

SOLUTION: Mrs. Jones surveys her class. 75% students have brothers. 82% have sisters. 65% have both. What is the probability that a students has a brother or a sister?

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Question 868024: Mrs. Jones surveys her class. 75% students have brothers. 82% have sisters. 65% have both. What is the probability that a students has a brother or a sister?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
P(Brother 0r Sister)= .75 + .82 - .65
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