Question

!!!!!!!!!!!!!!!!MEDALS!!!!!!!!!!!!!!!!!!!!
In a sample of 60 households, the mean number of cups of milk drank in June was 82. In a much larger study, the standard deviation was determined to be 68. For the following questions, assume the population standard deviation is the same.

Answer 1

Margin of error=\[1.96\times \frac{ \sigma }{ \sqrt{n} }\]

Answer 2

1.) Solve for the 95% confidence interval for the mean cups of milk drank in June? Please show all work and explain your steps for full credit

Answer 3

2.) Explain the difference of how you would solve this if you wanted a 98% confidence interval instead.

Answer 4

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