Starting salaries of 150 college graduates who have taken a statistics course have a mean of $42,991. Suppose the distribution of this population is approximately normal and has a standard deviation of $9,166.
Using an 99% confidence level, find both of the following:
(NOTE: Do not use commas or dollar signs in your answers.)(a) The margin of error: (b) The confidence interval for the mean

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06-12-2022
Mathematics

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Starting salaries of 150 college graduates who have taken a statistics course have a mean of $42,991. Suppose the distribution of this population is approximately normal and has a standard deviation of $9,166.
Using an 99% confidence level, find both of the following:
(NOTE: Do not use commas or dollar signs in your answers.)(a) The margin of error: (b) The confidence interval for the mean

Sagot :

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