A 98% confidence interval for the mean reading achievement score for a population of third-grade students is (41.2, XXXXXXXXXXSuppose you compute a 95% confidence interval using the same information....

A 98% confidence interval for the mean reading achievement score for a population of third-grade students is (41.2, 64.2). Suppose you compute a 95% confidence interval using the same information. Which of the following statements is correct?


a. The 95% interval is shorter

b. BOTH intervals have same width

c. The 95% interval is longer

d. Not enough information to determine