Mathematics, 02.01.2020 01:31 cerna

Asurvey is being planned to determine the mean amount of time corporation executives watch television. a pilot survey indicated that the mean time per week is 19 hours, with a standard deviation of 5.0 hours. it is desired to estimate the mean viewing time within 30 minutes. the 99% level of confidence is to be used. (use z distribution table.)

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 20.06.2019 18:04

Asmall car averages up to 29 more miles per gallon of gas that an suv. if a small car averages 44 miles per gallon, what is the average miles per gallon for an suv?

Answers: 2

Answer

Mathematics, 21.06.2019 18:30

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?

Answers: 3

Answer

Mathematics, 21.06.2019 20:30

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Answers: 3

Answer

Mathematics, 21.06.2019 22:10

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

Answers: 2

Answer

You know the right answer?

Asurvey is being planned to determine the mean amount of time corporation executives watch televisio...

Questions