Major League Baseball games average 2 hours 50 1 minutes with
Major League Baseball games average 2 hours 50.1 minutes with a standard deviation of 21.0 minutes. It has been claimed that St. Louis Cardinals baseball games last, on the average, longer than the games of the other Major League teams. To test the truth of this statement, a sample of 12 Cardinals games was randomly identified and the “time of game” for each obtained.
At the 0.05 level of significance, do these data show sufficient evidence to conclude that the mean time of Cardinals baseball games is longer than that of other Major League Baseball teams?
a. Define the parameter.
b. State the null and alternative hypotheses.
c. Specify the hypothesis test criteria.
d. Present the sample evidence.
e. Find the probability distribution information.
f. Determine the results.
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