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 90% confidence interval for the true mean checking account balance for local customers. 523.43 to 804.85 O b. 493.71 to 834.57 O c. 492.52 to 835.76 O d. 455.65 to 872.63 O a.
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 90% confidence interval for the true mean checking account balance for local customers. 523.43 to 804.85 O b. 493.71 to 834.57 O c. 492.52 to 835.76 O d. 455.65 to 872.63 O a.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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