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(2) The student committee would like to know the frequency of students buying food from hostels cafes. The distribution is assumed to be normal, with 60 standard deviations. If the committer wants the data to be 98% confident, () How much data that they need to collect if the true mean differs by 2? 6) If the committee would like to increase the collected sample to 5600 with the sample mean of 130, what is the confidence interval for this data?

(2) The student committee would like to know the frequency of students buying food from hostels cafes. The distribution is assumed to be normal, with 60 standard deviations. If the committer wants the data to be 98% confident, () How much data that they need to collect if the true mean differs by 2? 6) If the committee would like to increase the collected sample to 5600 with the sample mean of 130, what is the confidence interval for this data?

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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02 (3) The student committee would like to know the frequency of students buying food from hostels cafes. The distribution is assumed to be normal, with 60 standard deviations. If the committee wants the data to be 98% confident, How much data that they need to collect if the true mean differs by 2? If the committee would like to increase the collected sample to 5600 with the sample mean of 130, what is the confidence interval for this data?
Transcribed Image Text:02 (3) The student committee would like to know the frequency of students buying food from hostels cafes. The distribution is assumed to be normal, with 60 standard deviations. If the committee wants the data to be 98% confident, How much data that they need to collect if the true mean differs by 2? If the committee would like to increase the collected sample to 5600 with the sample mean of 130, what is the confidence interval for this data?
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