A manufacturing company wants to determine if a new machine produces parts with fewer defects than the current machine. What are the null and alternative hypotheses?
a. Ho: There is no difference in the performance of the machines; Ha: The new machine produces parts with fewer defects than the old machine.
b. Ho: The new machine produces parts with fewer defects than the old machine; Ha: There is no difference in the performance of the machines.
c. Ho: The new machine produces parts with fewer defects than the old machine; Ha: The new machine produces parts with more defects than the old machine.
d. Ho: There is no difference in the performance of the machines; Ha: The new machine produces parts with more defects than the old machine.
Correct: a
You might also like to view...
Each communication channel has a limit on the volume of information it can handle effectively. This limit is called
A. transmission load. B. feedback. C. encoding. D. noise. E. channel capacity.
Measuring the effect of advertising on sales is difficult.
Answer the following statement true (T) or false (F)
Brenda purchased a total of five computers for $3,300. She received a 20% trade discount. What did Brenda pay for the computers?
A. $2,460 B. $2,640 C. $3,750 D. $2,440 E. None of these
________ pay is defined as added pay for employees that have reached pay range maximums and are unlikely to move into higher grades
A) Longevity B) Merit C) Seniority-based D) Incentive