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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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Only about 15% of all people can wiggle their ears. Is this percent different for millionaires? Of the 305 millionaires surveyed, 34 could wiggle their ears. What can be concluded at the a= 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Select an answer H₁: ? Select an answer (please enter a decimal) (Please enter a decimal) c. The test statistic?v= d. The p-value= e. The p-value is ? α 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 3 decimal places.) O The data suggest the population proportion is not significantly different from 15% at a = 0.10, so there is statistically significant evidence to conclude that the population proportion of millionaires who can wiggle their ears is equal to 15%. O The data suggest the population proportion is not significantly different from 15% at a = 0.10, so there is statistically insignificant evidence to conclude that the population proportion of millionaires who can wiggle their ears is different from 15%. O The data suggest the populaton proportion is significantly different from 15% at a = 0.10, so there is statistically significant evidence to conclude that the population proportion of millionaires who can wiggle their ears is different from 15%.
Transcribed Image Text:Only about 15% of all people can wiggle their ears. Is this percent different for millionaires? Of the 305 millionaires surveyed, 34 could wiggle their ears. What can be concluded at the a= 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Select an answer H₁: ? Select an answer (please enter a decimal) (Please enter a decimal) c. The test statistic?v= d. The p-value= e. The p-value is ? α 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 3 decimal places.) O The data suggest the population proportion is not significantly different from 15% at a = 0.10, so there is statistically significant evidence to conclude that the population proportion of millionaires who can wiggle their ears is equal to 15%. O The data suggest the population proportion is not significantly different from 15% at a = 0.10, so there is statistically insignificant evidence to conclude that the population proportion of millionaires who can wiggle their ears is different from 15%. O The data suggest the populaton proportion is significantly different from 15% at a = 0.10, so there is statistically significant evidence to conclude that the population proportion of millionaires who can wiggle their ears is different from 15%.
Expert Solution
Step 1: Determine the given data in the question

Let p be the population proportion of the people who wiggle their ears.

Given that,

Population proportion left parenthesis p right parenthesis equals 15 percent sign equals 0.15

q equals 1 minus p equals 1 minus 0.15 equals 0.85

Sample size left parenthesis n right parenthesis equals 305

No. of people who wiggle their ears left parenthesis x right parenthesis equals 34

Assume the level of significance left parenthesis alpha right parenthesis equals 0.10


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