Question 1197693
Ho:  µ = 65
Ha:  µ > 65
n = 10, x̄ = 74.7    s = 11.1682
0.05 significance level,  Critical value = 1.8331
{{{t =blue (74.7 - 65)/(blue(11.1682)/sqrt(10))}}} = 2.7466 
 2.7466 >  1.8331  Reject Ho
 IF P(z ≤ t-value) < .05 THEN reject Ho