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A medical investigation claims that the average number of contaminations per week at a Main Hospital is 100.4.A random sample of 10 weeks had a

A medical investigation claims that the average number of contaminations per week at a Main Hospital is 100.4.A random sample of 10 weeks had a mean number of 99.98.The sample standard deviation is 2.9.Is there enough evidence to reject the investigator's claim at alpha =.05?

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