According to Money, 13 percent of allhouseholds own stocks. An economistwants to test this claim and see if theactual proportion is different from thatclaimed. In a random sample of 315families, the economist finds that 56 ofthe households own stocks. For theappropriate testing problem we get ap-value of0.49410.98830.01170.0059

Answered: Image /qna-images/answer/202708c5-461b-4b4e-b691-04834c1c438f.jpg

Answered: According to Money, 13 percent of all…

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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Does it take more time for seeds to germinate if they are near rock music that is continuously playing compared to being near classical music? The 55 seeds that were exposed to rock music took an average of 29 days to germinate. The standard deviation was 5 days. The 59 seeds that were exposed to classical music took an average of 25 days to germinate. The standard deviation for these seeds was 10 days. What can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: H₁: Select an answer ✓ Select an answer ✓ Select an answer ✓ = Select an answer ✓ Select an answer ✓ (please enter a decimal) Select an answer (Please enter a decimal) c. The test statistic ? | = d. The p-value: e. The p-value is ? ✓ a f. Based on this, we should [Select an answer the null hypothesis. g. Thus, the final conclusion is that ... (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal…
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A SAMPLE SIZE OF 36 WAS DRAWN AND ITS MEAN WAS FOUND TO BE 80. TEST WHETHER THIS SAMPLE COULD HAVE COME FROM A NORMAL POPULATION WITH MEAN 90 AND VARIANCE 225? Your answer
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A software company is interested in improving customer satisfaction rate from the 55% currently claimed. The company sponsored a survey of 247 customers and found that 146 customers were satisfied. What is the test statistic z?

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