A politician running for Senate in California claims that only 34% of Californians approve of the job her competitor is doing. Melissa wants to test if this is true. She surveys 50 Californians. Assuming the politician's claim about her competitor's approval rating is true, what is the probability that more than 40% of those surveyed approve of the competitor?

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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A politician running for Senate in California claims that only 34% of Californians approve of the job her competitor is doing. Melissa wants to test if this is true. She surveys 50 Californians.

  1. Assuming the politician's claim about her competitor's approval rating is true, what is the probability that more than 40% of those surveyed approve of the competitor?
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