Mathematics, 12.11.2019 06:31, stephanieyingepbtcf8

1.

a facilities manager at a university reads in a research report that the mean amount of time spent in the shower by an adult is 5 minutes. he decides to collect data to see if the mean amount of time that college students spend in the shower is significantly different from 5 minutes. in a sample of 15 students, he found the average time was 4.29 minutes and the standard deviation was 0.75 minutes. using this sample information, conduct the appropriate hypothesis test at the 0.01 level of significance. assume normality.

a) what are the appropriate null and alternative hypotheses?

h0: ? = 5 versus ha: ? ? 5h0: x = 5 versus ha: x ? 5 h0: ? = 5 versus ha: ? < 5h0: ? = 5 versus ha: ? > 5

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:20, Ndow2

Which functions shave a maximum and are transformed to the left and down of the parent function ,check all that apply f(x) = x2? p(x) =14 (x+7)2 + 1

Answers: 3

continue

Mathematics, 21.06.2019 17:30, leapfroggiez

Enter the missing numbers in the boxes to complete the table of equivalent ratios. time (min) distance (km)? 36 9? 1512 ?

Answers: 3

continue

Mathematics, 21.06.2019 18:10, jgill27

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Answers: 3

continue

Mathematics, 21.06.2019 19:00, aceves5493

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Answers: 2

continue

Do you know the correct answer?

1.

a facilities manager at a university reads in a research report that the mean amount...