Mathematics, 12.12.2021 22:50 shelovejaylocs

Assume the annual day care cost per child is normally distributed with a mean of $8000 and a standard deviation of $1000. In a random sample of 250 families, how many pay more than $6910 annually for day care per child?

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Assume the annual day care cost per child is normally distributed with a mean of $8000 and a standar...