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Susie is looking for butterflies in an area where: 25% of the butterflies are of type A 25% of the butterflies are of type B 50% of the butterflies are of type C Suppose that she spots two butterflies on her walk, and that the types of the two butterflies are independent from each other (perhaps because they are spotted different locations). (a) What is the probability that the two butterflies she spots will both be type A butterflies? (b) What is the probability that the two butterflies she spots will be of the same type? (c) What is the probability that neither of the two butterflies she spots will be type C butterflies?

Susie is looking for butterflies in an area where: 25% of the butterflies are of type A 25% of the butterflies are of type B 50% of the butterflies are of type C Suppose that she spots two butterflies on her walk, and that the types of the two butterflies are independent from each other (perhaps because they are spotted different locations). (a) What is the probability that the two butterflies she spots will both be type A butterflies? (b) What is the probability that the two butterflies she spots will be of the same type? (c) What is the probability that neither of the two butterflies she spots will be type C butterflies?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Susie is looking for butterflies in an area where: 25% of the butterflies are of type A 25% of the butterflies are of type B 50% of the butterflies are of type C Suppose that she spots two butterflies on her walk, and that the types of the two butterflies are independent from each other (perhaps because they are spotted in different locations). (a) What is the probability that the two butterflies she spots will both be type A butterflies? (b) What is the probability that the two butterflies she spots will be of the same type? (c) What is the probability that neither of the two butterflies she spots will be type C butterflies?
Transcribed Image Text:Susie is looking for butterflies in an area where: 25% of the butterflies are of type A 25% of the butterflies are of type B 50% of the butterflies are of type C Suppose that she spots two butterflies on her walk, and that the types of the two butterflies are independent from each other (perhaps because they are spotted in different locations). (a) What is the probability that the two butterflies she spots will both be type A butterflies? (b) What is the probability that the two butterflies she spots will be of the same type? (c) What is the probability that neither of the two butterflies she spots will be type C butterflies?
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