Mathematics, 23.04.2021 20:40 Dadchans3779
Testing Hypotheses
A company manufacturing computer chips finds that 8% of all chips manufactured are defective. Management is concerned that high employee turnover is partially responsible for the high defect rate. In an effort to decrease the percentage of defective chips, management decides to provide additional training to those employees hired within the last year. After training was implemented, a sample of 450 chips revealed only 27 defects. Was the additional training effective in lowering the defect rate?
a. Write the null and alternative hypotheses.
b. What is the value of the test statistic?
c. What is the associated P-value?
d. State your conclusion using a = .01.
Answers: 1
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 21:00, davidcortez27
Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection
Answers: 1
Mathematics, 21.06.2019 23:00, floresguppy
Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?
Answers: 1
You know the right answer?
Testing Hypotheses
A company manufacturing computer chips finds that 8% of all chips manufactured...
Questions in other subjects:
Mathematics, 23.07.2020 05:01
