Mathematics, 24.06.2020 21:01 coxb234
Yearly healthcare expenses for a family of four are normally distributed with a mean expense equal to $3,000 and a standard deviation equal to $500. A sample of 36 families was selected and the mean and standard deviation were was found to be $3250 and $400 respectively. What is the probability of healthcare expenses in the population being greater than $4,000?
Answers: 2
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Yearly healthcare expenses for a family of four are normally distributed with a mean expense equal t...
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