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You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is significantly different from 80% at a level of significance of a = 0.05. According to your sample, 68 out of 88 potential voters prefer the Democratic candidate. a. For this study, we should use z-test for a population proportion b. The null and alternative hypotheses would be: Ho: (p) (please enter a decimal) H₁: (p (Please enter a decimal) c. The test statistic (z)✓ (please show your answer to 3 decimal places.) d. The p-value = (Please show your

You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is significantly different from 80% at a level of significance of a = 0.05. According to your sample, 68 out of 88 potential voters prefer the Democratic candidate. a. For this study, we should use z-test for a population proportion b. The null and alternative hypotheses would be: Ho: (p) (please enter a decimal) H₁: (p (Please enter a decimal) c. The test statistic (z)✓ (please show your answer to 3 decimal places.) d. The p-value = (Please show your

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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9:46 7 ..llLTE You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is significantly different from 80% at a level of significance of a = 0.05. According to your sample, 68 out of 88 potential voters prefer the Democratic candidate. a. For this study, we should use z-test for a population proportion b. The null and alternative hypotheses would be: Ho: (p (please enter a decimal) H₁: (p (Please enter a decimal) c. The test statistic (z) (please show your answer to 3 decimal places.) d. The p-value = answer to 4 decimal places.) e. The p-value is α f. Based on this, we should (fail to reject the null hypothesis. g. Thus, the final conclusion is that ... (Please show your The data suggest the population proportion is not significantly different from 80% at a = 0.05, so there is not sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is different from 80%. The data suggest the population proportion is not significantly different from 80% at a = 0.05, so there is sufficient evidence to conclude that the proportion of voters who prefer the Democratic -1000 myopenmath.com
Transcribed Image Text:9:46 7 ..llLTE You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is significantly different from 80% at a level of significance of a = 0.05. According to your sample, 68 out of 88 potential voters prefer the Democratic candidate. a. For this study, we should use z-test for a population proportion b. The null and alternative hypotheses would be: Ho: (p (please enter a decimal) H₁: (p (Please enter a decimal) c. The test statistic (z) (please show your answer to 3 decimal places.) d. The p-value = answer to 4 decimal places.) e. The p-value is α f. Based on this, we should (fail to reject the null hypothesis. g. Thus, the final conclusion is that ... (Please show your The data suggest the population proportion is not significantly different from 80% at a = 0.05, so there is not sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is different from 80%. The data suggest the population proportion is not significantly different from 80% at a = 0.05, so there is sufficient evidence to conclude that the proportion of voters who prefer the Democratic -1000 myopenmath.com
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