!!!!!!!!!!!!!!!!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.

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.

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

@dan815 @nincompoop