QUESTION 8 A newspaper believes that the approval rating of the current mayor is 60%. A pollster believes that it is less than 60% and sets out to prove it. A simple random sample of 900 people are surveyed and 504 responded that they approved of his work. The null hypothesis is that the mayor's approval rating is 60%. The observed percentage is %. Find the standard error for percentage. Hint: The SD for the box model IS V0.6*0.4 =0.49 The standard error for percentage is %. Round your answer to the nearest tenth of a percent(for example 6.3%). The z-statistic is Round your answer to two decimal places. The p-value is %. Round your answer to the nearest percent(for example 6%) If the significance level is set at 5%, does the pollster have enough evidence to reject the newspaper claim? Write yes or no.
QUESTION 8 A newspaper believes that the approval rating of the current mayor is 60%. A pollster believes that it is less than 60% and sets out to prove it. A simple random sample of 900 people are surveyed and 504 responded that they approved of his work. The null hypothesis is that the mayor's approval rating is 60%. The observed percentage is %. Find the standard error for percentage. Hint: The SD for the box model IS V0.6*0.4 =0.49 The standard error for percentage is %. Round your answer to the nearest tenth of a percent(for example 6.3%). The z-statistic is Round your answer to two decimal places. The p-value is %. Round your answer to the nearest percent(for example 6%) If the significance level is set at 5%, does the pollster have enough evidence to reject the newspaper claim? Write yes or no.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4BGP
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