Need help with parts A-D.

A) Based on these randomly sampled?accounts, what is the best point estimate of the true mean quarterly spending for credit card account?holders?

B) f the bank is interested in developing a 99?% confidence interval estimate of mean quarterly?spending, what distribution will be used to obtain the critical?value?

C) Determine the standard error of the sampling distribution.

D) Construct the 99?% confidence interval estimate for the population mean of quarterly credit card spending for the?bank's customers.

8.1 .1 8-T 3; Question Help a A regional bank issues different types of credit cards. As part of its annual review of the protability of each type of credit card, the bank randomly samples 36 customers to measure the average quarterly marges per card. A random sample of 36 accounts from one type of credit card shows the accompanying spending per account (rounded to the nearest dollar). Complete parts a through e below. g Click the icon to View the data on credit card spending. a. Based on these randomly sampled accounts, what is the best point estimate of the true mean quarterly spending for credit card account holders? $ (Round to the nearest cent as needed.) \f