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Are the requirements for finding a confidence interval for the penny study met? Yes. The samples were randomly selected, and the distribution of sample proportions for each group is approximately normal because np and n(1-2) are greater than or equal to 10 for each sample. Yes. The samples were randomly selected, and the distribution of sample proportions for each group is approximately normal because np and n(1-p) are less than 10 for each sample. No. The sample size for the men is too small. No. The sample sizes are too small because np and n(1-2) are less than 10 for each sample. No. The samples were not randomly selected.

Are the requirements for finding a confidence interval for the penny study met? Yes. The samples were randomly selected, and the distribution of sample proportions for each group is approximately normal because np and n(1-2) are greater than or equal to 10 for each sample. Yes. The samples were randomly selected, and the distribution of sample proportions for each group is approximately normal because np and n(1-p) are less than 10 for each sample. No. The sample size for the men is too small. No. The sample sizes are too small because np and n(1-2) are less than 10 for each sample. No. The samples were not randomly selected.

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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A random sample of BYU-Idaho students was surveyed and asked if they were in favor of retaining the penny as a form of currency in the United States. Out of the 116 women surveyed, 80 said that they were in favor of retaining the penny as a form of currency. Of the 137 men surveyed, 91 said that they were in favor of retaining the penny. Difference = Women - Men The picture below is the question. Use the information above to help.
Are the requirements for finding a confidence interval for the penny study met? O Yes. The samples were randomly selected, and the distribution of sample proportions for each group is approximately normal because np and n(1-2) are greater than or equal to 10 for each sample. Yes. The samples were randomly selected, and the distribution of sample proportions for each group is approximately normal because np and n(1-2) are less than 10 for each sample. No. The sample size for the men is too small. No. The sample sizes are too small because np and n(1-2) are less than 10 for each sample. No. The samples were not randomly selected.
Transcribed Image Text:Are the requirements for finding a confidence interval for the penny study met? O Yes. The samples were randomly selected, and the distribution of sample proportions for each group is approximately normal because np and n(1-2) are greater than or equal to 10 for each sample. Yes. The samples were randomly selected, and the distribution of sample proportions for each group is approximately normal because np and n(1-2) are less than 10 for each sample. No. The sample size for the men is too small. No. The sample sizes are too small because np and n(1-2) are less than 10 for each sample. No. The samples were not randomly selected.
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