QUESTION 2 Three hundred adults were asked whether or not they watch for calories and fat content when they buy groceries. TABLE 1 gives the two-way classification of their responses, where yes means that an adult watches for calories and fat content and no means he/she does not watch. TABLE 1 Yes No Male 55 85 Female 70 90 A) Suppose one adult is selected at random, i find the probability that the selected adult watches for calories and fat content. ii find the probability that the selected adult is a female or did not watch for calories and fat content. B) Are the events “male” and “an adult watches for calories and fat content” mutually exclusive? Justify your answer.

QUESTION 2 Three hundred adults were asked whether or not they watch for calories and fat content when they buy groceries. TABLE 1 gives the two-way classification of their responses, where yes means that an adult watches for calories and fat content and no means he/she does not watch. TABLE 1 Yes No Male 55 85 Female 70 90 A) Suppose one adult is selected at random, i find the probability that the selected adult watches for calories and fat content. ii find the probability that the selected adult is a female or did not watch for calories and fat content. B) Are the events “male” and “an adult watches for calories and fat content” mutually exclusive? Justify your answer.

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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