Question 1105212
Have to assume assumptions are met, and this is a t, since the std dev is of the sample and not of the population.
t=(44-45)/3.2/sqrt(40)
t=-1*sqrt(40)/3.2
t=-1.97
The critical value is |t|>2.67
Fail to reject the hypothesis.  The claim is not supported. p-value is 0.055.