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3. In early April, about 14% of San Diego tested positive for Coronavirus. We randomly selected 300 San Diego people and found that 60 now tested positive. Has the proportion of San Diego people testing positive increased? a) State the null and alternative hypotheses. b) Find the test statistic. Round to 3 decimal places. c) Find the p-value. Round to 4 decimal places. d) What is your decision at an a =0.01 significance level? e) What can you conclude?

3. In early April, about 14% of San Diego tested positive for Coronavirus. We randomly selected 300 San Diego people and found that 60 now tested positive. Has the proportion of San Diego people testing positive increased? a) State the null and alternative hypotheses. b) Find the test statistic. Round to 3 decimal places. c) Find the p-value. Round to 4 decimal places. d) What is your decision at an a =0.01 significance level? e) What can you conclude?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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3. In early April, about 14% of San Diego tested positive for Coronavirus. We randomly selected 300 San Diego people and found that 60 now tested positive. Has the proportion of San Diego people testing positive increased? a) State the null and alternative hypotheses. b) Find the test statistic. Round to 3 decimal places. c) Find the p-value. Round to 4 decimal places. d) What is your decision at an a =0.01 significance level? e) What can you conclude?
Transcribed Image Text:3. In early April, about 14% of San Diego tested positive for Coronavirus. We randomly selected 300 San Diego people and found that 60 now tested positive. Has the proportion of San Diego people testing positive increased? a) State the null and alternative hypotheses. b) Find the test statistic. Round to 3 decimal places. c) Find the p-value. Round to 4 decimal places. d) What is your decision at an a =0.01 significance level? e) What can you conclude?
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