UPVOTE will be given! STATISTICS AND PROBABILITY MULTIPLE CHOICE A public bus company official claims that the mean waiting time for Bus # 14 during peak hours is approximately 10 minutes. Karen took Bus # 14 during peak hours on 36 different occasions. Her mean waiting time was 8.7 minutes. Assume that the population standard deviation σ of 2.9 minutes is known. At the 0.01 significance level, test if the mean of all the peak hours waiting time for Bus # 14 is significantly different from 10 minutes. What is the computed value of the test statistic? a. -2.6897 b. 2.9867 c. 2.6897 d. -2.6789

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