Mathematics, 24.04.2021 03:20 tumadreeve7852

It is known that, nationally, doctors working for health maintenance organizations (HMOs) average 13.5 years of experience in their specialties, with a standard deviation of 7.6 years. The executive director of an HMO in a western state is interested in determining whether or not its doctors have less experience than the national average. A random sample of 150 doctors from HMOs shows a mean of only 10.9 years of experience. What is the T

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It is known that, nationally, doctors working for health maintenance organizations (HMOs) average 13...