Question 1 of 6 > This test: 100 point(s) possible. This question: 15 point(s) possible Submit test A tire manufacturer would like to estimate the average tire life of its new all-season light truck tire in terms of how many miles it lasts. Determine the sample size needed to construct a 98% confidence interval with a margin of error equal to 2,400 miles. Assume the standard deviation for the tire life of this particular brand is 7,500 miles. The sample size needed is 53 (Round up to the nearest integer.)