In 2003, Major League Baseball took steps to speed up the paly of baseball games in order to maintain fan interest. In a sample of 94 games in 2002, 36 finished in less than 3 hours. A similar survey in 2003 of 79 games found that 40 finished in less than 3 hours. When testing the hypothesis (at the 5% level of significance) a higher percentage of games finished in less than 3 hours in 2003, what is the test statistic? (please round your answer to 2 decimal places)
In 2003, Major League Baseball took steps to speed up the paly of baseball games in order to maintain fan interest. In a sample of 94 games in 2002, 36 finished in less than 3 hours. A similar survey in 2003 of 79 games found that 40 finished in less than 3 hours. When testing the hypothesis (at the 5% level of significance) a higher percentage of games finished in less than 3 hours in 2003, what is the test statistic? (please round your answer to 2 decimal places)
For 2002 :
Sample size is , Number of games in which finished in less than 3 hours is
sample proportion =
For 2003 :, we have that the
Sample size is , Number of games in which finished in less than 3 hours is
sample proportion =
Now, the pooled proportion is :
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