Software analysis of the salaries of a random sample of 288 Nevada teachers produced the confidence interval

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Software analysis of the salaries of a random sample of 288 Nevada teachers produced the confidence interval shown below. Which conclusion is correct? What's wrong with the others?
Software analysis of the salaries of a random sample of

a) If we took many random samples of 288 Nevada teachers, about 9 out of 10 of them would produce this confidence interval.
b) If we took many random samples of Nevada teachers, about 9 out of 10 of them would produce a confidence interval that contained the mean salary of all Nevada teachers.
c) About 9 out of 10 Nevada teachers earn between $43,454 and $45,398.
d) About 9 out of 10 of the teachers surveyed earn between $43,454 and $45,398.
e) We are 90% confident that the average teacher salary in the United States is between $43,454 and $45,398.

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Stats Data And Models

ISBN: 662

4th Edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

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