Kizspy | Question: 31
(Choose 1 answer)
A savings and loan association needs information concerning the checking account balances of its local customers. A random sample of 14 accounts was checked and yielded a mean balance of $664.14 and a standard deviation of $297.29. Find a 98% confidence interval for the true mean checking account balance for local customers. Assume that the population has a normal distribution.
A. ($493.71; $834.57)B. ($455.65; $872.63)
C. ($492.52; $835.76)
D. ($453.59;$874.69)
E. None of the other choices is correct
Let 20.01 2.33 and t0.01.13 = 2.65