Be sure to determine correctly whether the confidence intervals are calculated with the normal distribution or the t distribution In a study relating the amounts of time required for room service delivery at a newly opened Radisson Hotel, 20 deliveries had a mean time of 24 2 min and a standard dev...

Be sure to determine correctly whether the confidence intervals are calculated with the normal distribution or the

Question:

Be sure to determine correctly whether the confidence intervals are calculated with the normal or the t a study relating the amounts of time required for room-service delivery at a newly opened Radisson Hotel, 20 deliveries had a mean time of 24.2 min and a standard deviation of 8.7 min. The sample data appear to have a bell-shaped Construct the 90% confidence interval for the mean time of all deliveries. Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...