SOLUTION: A study of college football games shows that the number of holding penalties assessed has a mean of 2.3 penalties per game and a standard deviation of 1.1 penalties per game. What

Question 1158884: A study of college football games shows that the number of holding penalties assessed has a mean of 2.3 penalties per game and a standard deviation of 1.1 penalties per game. What is the probability that, for a sample of 40 college games to be played next week, the mean number of holding penalties will be 2.25 penalties per game or less?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z=(x bar-mean/sd/sqrt(40)
=(2.25-2.3)/1.1/sqrt(40)
=-0.2874
probability z< -0.29=0.3859
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