TABLE 9-5 A Bank Tests the Null Hypothesis That the Mean Age

TABLE 9-5
A bank tests the null hypothesis that the mean age of the bank's mortgage holders is less than or equal to 45, versus an alternative that the mean age is greater than 45. They take a sample and calculate a p-value of 0.0202.
-Referring to Table 9-5, the bank can conclude that the average age is greater than 45 at a significance level of ? = 0.01.