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The business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home, because if the proportion exceeds 35%, then the lab will scale back a proposed enlargement of its facilities. Suppose 200 business students were randomly sampled and 85 have PC's at home. Should they use a hypothesis test or a confidence interval to answer this question? Confidence interval. Hypothesis test.

The business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home, because if the proportion exceeds 35%, then the lab will scale back a proposed enlargement of its facilities. Suppose 200 business students were randomly sampled and 85 have PC's at home. Should they use a hypothesis test or a confidence interval to answer this question? Confidence interval. Hypothesis test.

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 4SE: What is the difference between events and outcomes? Give an example of both using the sample space...
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The business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home, because if the proportion exceeds 35%, then the lab will scale back a proposed enlargement of its facilities. Suppose 200 business students were randomly sampled and 85 have PC's at home. Should they use a hypothesis test or a confidence interval to answer this question? Confidence interval. Hypothesis test.
Transcribed Image Text:The business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home, because if the proportion exceeds 35%, then the lab will scale back a proposed enlargement of its facilities. Suppose 200 business students were randomly sampled and 85 have PC's at home. Should they use a hypothesis test or a confidence interval to answer this question? Confidence interval. Hypothesis test.
A research firm carried out a hypothesis test on a population proportion using a right-tailed alternative hypothesis. Which of the following z-scores would be associated with a p-value of 0.04? Round to the nearest hundredth. O A. z=2.50 В. Z%3D -2.50 C. z= - 1.75 D. z= 1.75 Next Question
Transcribed Image Text:A research firm carried out a hypothesis test on a population proportion using a right-tailed alternative hypothesis. Which of the following z-scores would be associated with a p-value of 0.04? Round to the nearest hundredth. O A. z=2.50 В. Z%3D -2.50 C. z= - 1.75 D. z= 1.75 Next Question
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