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Kipish [7]
3 years ago
13

A research study shows that the yearly cost of dental claims for virginia state employees with dental care as a part of their he

alth insurance has a distribution with a mean of $1200 and a standard deviation of $200. if a random sample of 25 virginia state employees with dental insurance is selected, what is the probability that the mean of the yearly dental claims for this sample is between $1175 and $1225?
Mathematics
1 answer:
Musya8 [376]3 years ago
3 0
The right answer is 50% .
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