Assume the hourly wage rate for a fast-growing online job is normally distributed with a mean of ,u. = $25.70. Suppose a random sample of n. = 19 workers revealed a mean wage of E = $26.20 and a standard deviation of a = $1.57. At or = 0.05, is there enough evidence to conclude that the mean hourly wage is more than $25.70? a. Select the appropriate alternative hypothesis, H1 or Ha: 0,0 7E $26.20 0 p: a $25.70 0,0 :> $25.70 0,0 $26.20 b. At or = 0.05, select the critical valuels]: c. The value of the test statistic [3 decimal places) =| |