Mathematics, 22.02.2021 19:20 Chapo3760
A company manufacturing computer chips finds that 8% of all chips manufactured are defective. 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. A hypothesis test is performed to determine if the additional training was effective in lowering the defect rate. Which of the following statement is true about this hypothesis test?
A. It is a two tailed test about a proportion.
B. It is a one tailed test about a mean.
C. It is a one tailed test about a proportion.
D. It is a two tailed test about a mean.
E. None of the above.
Answers: 2
Mathematics, 21.06.2019 21:30
The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?
Answers: 1
Mathematics, 22.06.2019 02:30
Solve the system of equations. 2x-2y=-4 and x+y=8. show work
Answers: 1
Mathematics, 22.06.2019 04:30
You borrow $15000 to buy a tractor. the simple interest rate is 4%. you pay the loan off after 8 years. what is the total amount you paid for the loan
Answers: 2
A company manufacturing computer chips finds that 8% of all chips manufactured are defective. In an...
Biology, 12.09.2019 04:10
Mathematics, 12.09.2019 04:10
History, 12.09.2019 04:10
Mathematics, 12.09.2019 04:10
Mathematics, 12.09.2019 04:10
English, 12.09.2019 04:10
Mathematics, 12.09.2019 04:10
Mathematics, 12.09.2019 04:10
Chemistry, 12.09.2019 04:10
Biology, 12.09.2019 04:10
Mathematics, 12.09.2019 04:10