Question 1195165
Mean is 197.25
sd is 14.92(s)
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Ho mean is 185
Ha mean is not 185
alpha = 0.05p{reject Ho|Ho true}
test is a t
reject if |t|>2.064 ((0.975;df=24)
t=(197.25-185)/14,92/sqrt(10)
=12.25*sqrt(10)/14.92
=2.596
reject Ho; mean is > 185 mg/dl

Error on data inputting with one number. Sorry. I also had interpreted the 20 as the population looked at.