A taxi company claims that its drivers have an average of more than 11.1 year experience. In a study of 15 taxi drivers, the average experience was 12.4 yea Assume an alpha of 0.02 and a standard deviation of 2 years. Answer the following using the classical approach for hypothesis testing. Indicate the symbol in the Ha statement. Calculate the test statistic, z*. Is the critical region(s) left tailed, right tailed, or two tailed?

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A taxi company claims that its drivers have an average of more than 11.1 years of
experience. In a study of 15 taxi drivers, the average experience was 12.4 years.
Assume an alpha of 0.02 and a standard deviation of 2 years.
Answer the following using the classical approach for hypothesis testing.
Indicate the symbol in the Ha statement.
Calculate the test statistic, z*.
Is the critical region(s) left tailed, right tailed, or two tailed?
Transcribed Image Text:A taxi company claims that its drivers have an average of more than 11.1 years of experience. In a study of 15 taxi drivers, the average experience was 12.4 years. Assume an alpha of 0.02 and a standard deviation of 2 years. Answer the following using the classical approach for hypothesis testing. Indicate the symbol in the Ha statement. Calculate the test statistic, z*. Is the critical region(s) left tailed, right tailed, or two tailed?
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