Estimate the percentage of workers in Toronto who use public transport to commute to work. Give your answer in percentages (without the percentage sign, and to four significant digits) Part (b) Find a 95% confidence interval for the percentage of workers in Toronto using public transport to commute to work. Use the sample proportion in your estimate of the standard error. Provide the upper and lower bounds for your confidence interval.
Estimate the percentage of workers in Toronto who use public transport to commute to work. Give your answer in percentages (without the percentage sign, and to four significant digits) Part (b) Find a 95% confidence interval for the percentage of workers in Toronto using public transport to commute to work. Use the sample proportion in your estimate of the standard error. Provide the upper and lower bounds for your confidence interval.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Suppose in 2011 a survey of 1154 workers in the city of Toronto found that 253 used public transport to commute to work.
Part (a) Estimate the percentage of workers in Toronto who use public transport to commute to work. Give your answer in percentages (without the percentage sign, and to four significant digits)
Part (b) Find a 95% confidence interval for the percentage of workers in Toronto using public transport to commute to work. Use the sample proportion in your estimate of the standard error. Provide the upper and lower bounds for your confidence interval. Give your answer in percentages (without the percentage sign, and to four significant digits)
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