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Suppose you plan to take a survey of Math&146 students asked how many miles they commute from their house to CBC's Pasco campus. In a preliminary survey, 25 students were surveyed, and it was found that the average distance from student's houses to campus, of the 25 sampled students, was 11.3 miles, with a standard deviation of 5.3 miles. Suppose you want to re-sample the population to reduce the margin of error. If you plan to calculate a 95% confidence interval for the true mean commute of students, how many samples would be necessary to reduce the margin of error to 1.5 miles? Roynd your answer to the nearest whole number, and remember it's always better to sample too many rather than not enough.

Suppose you plan to take a survey of Math&146 students asked how many miles they commute from their house to CBC's Pasco campus. In a preliminary survey, 25 students were surveyed, and it was found that the average distance from student's houses to campus, of the 25 sampled students, was 11.3 miles, with a standard deviation of 5.3 miles. Suppose you want to re-sample the population to reduce the margin of error. If you plan to calculate a 95% confidence interval for the true mean commute of students, how many samples would be necessary to reduce the margin of error to 1.5 miles? Roynd your answer to the nearest whole number, and remember it's always better to sample too many rather than not enough.

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
Section10.4: Distributions Of Data
Problem 19PFA
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Suppose you plan to take a survey of Math&146 students asked how many miles they commute from their house to CBC's Pasco campus. In a preliminary survey, 25 students were surveyed, and it was found that the average distance from student's houses to campus, of the 25 sampled students, was 11.3 miles, with a standard deviation of 5.3 miles. Suppose you want to re-sample the population to reduce the margin of error. If you plan to calculate a 95% confidence interval for the true mean commute of students, how many samples would be necessary to reduce the margin of error to 1.5 miles? Roynd your answer to the nearest whole number, and remember it's always better to sample too many rather than not enough. O None of these are correct 47 students 43 students 48 students 42 students
Transcribed Image Text:Suppose you plan to take a survey of Math&146 students asked how many miles they commute from their house to CBC's Pasco campus. In a preliminary survey, 25 students were surveyed, and it was found that the average distance from student's houses to campus, of the 25 sampled students, was 11.3 miles, with a standard deviation of 5.3 miles. Suppose you want to re-sample the population to reduce the margin of error. If you plan to calculate a 95% confidence interval for the true mean commute of students, how many samples would be necessary to reduce the margin of error to 1.5 miles? Roynd your answer to the nearest whole number, and remember it's always better to sample too many rather than not enough. O None of these are correct 47 students 43 students 48 students 42 students
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