Determining health insurance package

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The Food King Chain employs more than 3,000 people. The worker's ages are approximately normally distributed, with a mean of 31 years and a standard deviation of 4.3 years. The company is thinking of introducing a health care package, and its insurance company wants to sample 31 workers before quoting a price. Calculate the probability that the sample will have an average less than 31?

Reference no: EM13102616

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