subject
Mathematics, 05.12.2019 04:31 LForNotKnowingMath

Alarge university is interested in learning about the average time it takes students to drive to campus. the university sampled 51 students and asked each to provide the amount of time they spent traveling to campus. the sample results found that the sample mean was 23.243 minutes and the sample standard deviation was 20.40 minutes. it is desired to determine if the population standard deviation exceeds 20 minutes. calculate the test statistic for this test of hypothesis.

a) x2 = 53.06 b) x2 = 58.11

c) x2 = 52.02 d) x2 = 51

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:50, alexis1246
What is the volume of the sphere shown below with a radius of 3?
Answers: 1
image
Mathematics, 21.06.2019 15:00, m4167281
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
image
Mathematics, 21.06.2019 22:00, huangjianhe135
`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.
Answers: 3
image
Mathematics, 21.06.2019 22:20, ineedhelp2285
The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap
Answers: 3
You know the right answer?
Alarge university is interested in learning about the average time it takes students to drive to cam...

Questions in other subjects:

Konu
Computers and Technology, 02.12.2021 03:10
Konu
Health, 02.12.2021 03:10