Mathematics
Mathematics, 15.04.2020 18:28, keving4three

A testing engineer in a light bulb factory is planning a study to estimate the average life of a large shipment of light bulbs. The engineer wants to estimate the average life within plus or minus 16 hours with 95 percent confidence. Assuming a process standard deviation of 90 hours, determine the sample size for this study.

a. 7
b. 43
c. 58
d. 122

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 20.06.2019 18:02, kkakk19
Emily and her feiends qent to the park. they saw 15 robins and 9 blue jays. how many birds did they see? explain how you decided what number sentence to write.
Answers: 3
image
Mathematics, 21.06.2019 15:30, Doogsterr
Normal yağmur ile asit yağmuru arasındaki fark nedir
Answers: 3
image
Mathematics, 21.06.2019 16:00, antoninapride
What is the solution to the inequality? 6x−5> −29, a x> −4 bx> 4 cx< 4 dx< −4
Answers: 2
image
Mathematics, 21.06.2019 22:00, prelogical
Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?
Answers: 1
Do you know the correct answer?
A testing engineer in a light bulb factory is planning a study to estimate the average life of a lar...

Questions in other subjects:

Konu
Mathematics, 16.09.2019 05:30
Konu
Social Studies, 16.09.2019 05:30
Konu
Mathematics, 16.09.2019 05:30
Konu
Mathematics, 16.09.2019 05:30