*41. Benefits survey. A paralegal at the Vermont State Attorney Generals office wants to know how many...

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*41. Benefits survey. A paralegal at the Vermont State Attorney General’s office wants to know how many companies in Vermont provide health insurance benefits to all employees. She chooses 12 companies at random and finds that all 12 offer benefits.

a) Check the assumptions and conditions for inference on proportions.

b) Find a 95% confidence interval for the true proportion of companies that provide health insurance benefits to all their employees.

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Business Statistics

ISBN: 9780321716095

2nd Edition

Authors: Norean D. Sharpe, Paul F. Velleman, David Bock, Norean Radke Sharpe

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