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Mathematics, 19.05.2020 13:09 breannaasmith1122
The mean number of sick days per employee taken last year by all employees of a large city was 10.6 days. A city administrator is investigating whether the mean number of sick days this year is different from the mean number of sick days last year. The administrator takes a random sample of 40 employees and finds the mean of the sample to be 12.9. A hypothesis test will be conducted as part of the investigation. Which of the following is the correct set of hypotheses?
H0:μ=10.6Ha:μ>10.6 A
H0:μ=10.6Ha:μ≠10.6 B
H0:μ=10.6Ha:μ<10.6 C
H0:μ=12.9Ha:μ≠12.9 D
H0:μ=12.9Ha:μ<12.9 E
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