A Credit Union Took a Random Sample of 40 Accounts $90 \%$

Multiple Choice

A credit union took a random sample of 40 accounts and yielded the following $90 \%$ confidence interval for the mean checking account balance at the institution: $\$ 2183 < \mu$ (balance) $< \$ 3828$ .

A) If we took random samples of checking accounts at this credit union, about nine out of ten of them would produce this confidence interval.
B) We are $90 \%$ confident that the mean checking account balance at this credit union is between $\$ 2183$ and $\$ 3828$ , based on this sample.
C) We are $90 \%$ confident that the mean checking account balance in the U.S. is between $\$ 2183$ and \$3828.
D) About 9 out of 10 people have a checking account balance between $\$ 2183$ and $\$ 3828$ .
E) We are $90 \%$ sure that the mean balance for checking accounts in the sample was between $\$ 2183$ and \$3828