Mathematics, 01.04.2021 23:40 21hendlill

g The distribution of the monthly amount spent on childcare in a Midwestern city has a mean of $675 and a standard deviation of $80. A random sample of 64 families in this city paying for childcare is selected. Find the probability that the sample mean is less than $650. (Round the result to 4 decimal places.)

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g The distribution of the monthly amount spent on childcare in a Midwestern city has a mean of $675...