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An auto shop wants to examine the proportion of customers that have to retur after an appointment. Last year, an examination of 402 customers found that 22.4% had to return after an appointment. You instituted some changes at the auto shop this year, and found from a sample of 319 customers that 25.1% had to return after an appointment. You want to conduct an analysis to determine if there has been an increase in the proportion of customers that need return after an appointment since the past year, with a significance level of 10%. Using this information, what is the p of your analysis, accurate to three decimal places? 0.286 0.223 0.236

An auto shop wants to examine the proportion of customers that have to retur after an appointment. Last year, an examination of 402 customers found that 22.4% had to return after an appointment. You instituted some changes at the auto shop this year, and found from a sample of 319 customers that 25.1% had to return after an appointment. You want to conduct an analysis to determine if there has been an increase in the proportion of customers that need return after an appointment since the past year, with a significance level of 10%. Using this information, what is the p of your analysis, accurate to three decimal places? 0.286 0.223 0.236

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Transcribed Image Text:0.236 0.032 0.248
An auto shop wants to examine the proportion of customers that have to return after an appointment. Last year, an examination of 402 customers found that 22.4% had to return after an appointment. You instituted some changes at the auto shop this year, and found from a sample of 319 customers that 25.1% had to return after an appointment. You want to conduct an analysis to determine if there has been an increase in the proportion of customers that need return after an appointment since the past year, with a significance level of 10%. Using this information, what is the p of your analysis, accurate to three decimal places? 0.286 0.223 0.236
Transcribed Image Text:An auto shop wants to examine the proportion of customers that have to return after an appointment. Last year, an examination of 402 customers found that 22.4% had to return after an appointment. You instituted some changes at the auto shop this year, and found from a sample of 319 customers that 25.1% had to return after an appointment. You want to conduct an analysis to determine if there has been an increase in the proportion of customers that need return after an appointment since the past year, with a significance level of 10%. Using this information, what is the p of your analysis, accurate to three decimal places? 0.286 0.223 0.236
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