According to Green Car Reports, 4.4% of cars sold in California in 2017 were hybrid cars. Suppose

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According to Green Car Reports, 4.4% of cars sold in California in 2017 were hybrid cars. Suppose in a random sample of 500 recently sold cars in California 18 were hybrid.

a. Write the null and alternative hypotheses to test that hybrid car sales in California have declined.

b. Report the value of the test statistic (z) from the figure.

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Introductory Statistics Exploring The World Through Data

ISBN: 9780135163146

3rd Edition

Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan

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Question Posted: Jul 15, 2021 01:53 AM

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According to Green Car Reports, 4.4% of cars sold in California in 2017 were hybrid cars. Suppose

Question:

NORMAL FLOAT AUTO REAL RADIAN MP 1-Prop2iest 2="8.8722 P=8.1915

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Introductory Statistics Exploring The World Through Data

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