Multiple Choice
A report stated that the average number of overtime hours for IRS workers during the past week was more than 10 hours per worker.You will test that statement with a sample of workers.What null and alternative hypotheses would you recommend here if you want to choose a null hypothesis that is skeptical of the report's number?
A) H0: µ > 10 units (The average overtime is more than 10 hours.)
Ha: µ ≤ 10 units (The average overtime is no more than 10 hours.)
B) H0: µ = 10 units (The average overtime is 10 hours.)
Ha: µ ≠ 10 units (The average overtime is not 10 hours.)
C) H0: µ ≠ 10 units (The average overtime is not be 10 hours.)
Ha: µ = 10 units (The average overtime is 10 hours.)
D) H0: µ ≤ 10 units (The average overtime is no more than 10 hours.)
Ha: µ > 10 units (The average overtime is more than 10 hours.)
E) H0: µ < 10 units (The average overtime is less than 10 hours.)
Ha: µ > 10 units (The average overtime is more than 10 hours.)
Correct Answer:

Verified
Correct Answer:
Verified
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