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Call centers typically have high turnover.The director of human resources for a large bank has compiled data on about 70 former employees at one of

Call centers typically have high turnover.The director of human resources for a large bank has compiled data on about 70 former employees at one of the bank's call centersIn writing an article about call center working conditions, a reporter has claimed that the average tenure is less than 2 years.

For this problem would my null hypothesis be

H0: 2 H1: 2

or

H0: 2 H1: 2

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