Mathematics, 21.05.2020 23:01 starbae1084
Suppose the shutter life of a population of DSLR cameras are normally distributed with an unknown population mean and a population standard deviation of 5,000 cycles. A random sample of DSLR cameras from the population produces a sample mean shutter life of x¯=89,200 cycles.
What value of z should be used to calculate a confidence interval with a 80% confidence level?
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 17:00
Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.
Answers: 1
Mathematics, 21.06.2019 17:30
You can find the constant of proportionality by finding the ratio of
Answers: 1
Mathematics, 21.06.2019 19:00
Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?
Answers: 1
Mathematics, 21.06.2019 20:00
Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 1
You know the right answer?
Suppose the shutter life of a population of DSLR cameras are normally distributed with an unknown po...
Questions
Mathematics, 02.07.2019 12:20
History, 02.07.2019 12:20
Arts, 02.07.2019 12:20
English, 02.07.2019 12:20
Mathematics, 02.07.2019 12:20
Mathematics, 02.07.2019 12:30
Social Studies, 02.07.2019 12:30
Mathematics, 02.07.2019 12:30
Chemistry, 02.07.2019 12:30
Social Studies, 02.07.2019 12:30
Business, 02.07.2019 12:30
