A recorder number of homes fires were recorded in 7 years. The average number of homes are 7041.4 and the standard deviation is 1610.3. Using a 99% confidence level, What is the confidence interval?
a. 6354.5 < µ < 7762.3
b. 4785.2 < µ < 9297.6
c. 3588.6 < µ < 9224.8
d. 5431.1 < µ < 8651.7