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The registrar's office at a university has noticed that a large number of students fail to report a change of address. The registrar decides to take a random sample of 150 students from the current directory of students and determine the number of students with the correct addresses on record. He then uses this information to construct a 95 percent confidence interval. Which of the following statements must be true * O Ninety-five percent of students at this university have the correct address on record. The sample proportion of students at this university with the correct address on record is within the confidence interval. The true proportion of students at this university with the correct addresses on record is within the confidence interval 95 percent of the time. The sample proportion of students at this university with the correct address on record is within the confidence interval 95 percent of the time. The true proportion of students at this university with the correct address on record is within the confidence interval constructed.

The registrar's office at a university has noticed that a large number of students fail to report a change of address. The registrar decides to take a random sample of 150 students from the current directory of students and determine the number of students with the correct addresses on record. He then uses this information to construct a 95 percent confidence interval. Which of the following statements must be true * O Ninety-five percent of students at this university have the correct address on record. The sample proportion of students at this university with the correct address on record is within the confidence interval. The true proportion of students at this university with the correct addresses on record is within the confidence interval 95 percent of the time. The sample proportion of students at this university with the correct address on record is within the confidence interval 95 percent of the time. The true proportion of students at this university with the correct address on record is within the confidence interval constructed.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The registrar's office at a university has noticed that a large number of students fail to report a change of address. The registrar decides to take a random sample of 150 students from the current directory of students and determine the number of students with the correct addresses on record. He then uses this information to construct a 95 percent confidence interval. Which of the following statements must be true * O Ninety-five percent of students at this university have the correct address on record. The sample proportion of students at this university with the correct address on record is within the confidence interval. The true proportion of students at this university with the correct addresses on record is within the confidence interval 95 percent of the time. The sample proportion of students at this university with the correct address on record is within the confidence interval 95 percent of the time. The true proportion of students at this university with the correct address on record is within the confidence interval constructed.
Transcribed Image Text:The registrar's office at a university has noticed that a large number of students fail to report a change of address. The registrar decides to take a random sample of 150 students from the current directory of students and determine the number of students with the correct addresses on record. He then uses this information to construct a 95 percent confidence interval. Which of the following statements must be true * O Ninety-five percent of students at this university have the correct address on record. The sample proportion of students at this university with the correct address on record is within the confidence interval. The true proportion of students at this university with the correct addresses on record is within the confidence interval 95 percent of the time. The sample proportion of students at this university with the correct address on record is within the confidence interval 95 percent of the time. The true proportion of students at this university with the correct address on record is within the confidence interval constructed.
A department store at a large mall claims that over 60 percent of the mall's visitors shop at that store. Let p = the proportion of the mall's visitors who shop at the store. Which of the following pairs of hypotheses should be used to support this claim? HO: p = 0.60 and Ha: p < 0.60 HO: p ≤ 0.60 and Ha: p > 0.60 HO: p > 0.60 and Ha: p = 0.60 HO: p = 0.60 and Ha: p > 0.60 O HO: p < 0.60 and Ha: p = 0.60
Transcribed Image Text:A department store at a large mall claims that over 60 percent of the mall's visitors shop at that store. Let p = the proportion of the mall's visitors who shop at the store. Which of the following pairs of hypotheses should be used to support this claim? HO: p = 0.60 and Ha: p < 0.60 HO: p ≤ 0.60 and Ha: p > 0.60 HO: p > 0.60 and Ha: p = 0.60 HO: p = 0.60 and Ha: p > 0.60 O HO: p < 0.60 and Ha: p = 0.60
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