A Concern of Major League Baseball Is That Games Last

Multiple Choice

A concern of Major League Baseball is that games last too long.Some executives in the league's headquarters believe that the mean length of games this past year exceeded 3 hours (180 minutes) .To test this,the league selected a random sample of 80 games and found the following results: = 193 minutes and s = 16 minutes. Based on these results,if the null hypothesis is tested using an alpha level equal to 0.10,which of the following is true?

A) The null hypothesis should be rejected if > 182.31.
B) The test statistic is t = 1.2924.
C) Based on the sample data,the null hypothesis cannot be rejected.
D) It is possible that when the hypothesis test is completed,a Type II statistical error has been made.