subject
Mathematics, 13.10.2020 08:01 bchagnard2122

A runner’s distribution of times for running 1,000 meters has a mean of 4.5 minutes with a standard deviation of 0.75 minutes. One of the runner’s times has a z-score of –1.08. Which of the following statements is the best interpretation of this z-score? This runner’s time was faster than the mean time by 0.75 standard deviations.
This runner’s time was faster than the mean time by 1.08 standard deviations.
This runner’s time was slower than the mean time by 0.75 standard deviations.
This runner’s time was slower than the mean time by 1.08 standard deviations.

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:00, aleilyg2005
List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°
Answers: 1
image
Mathematics, 21.06.2019 20:00, Jenifermorales101
It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k
Answers: 2
image
Mathematics, 21.06.2019 20:10, sawyerharper
Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b
Answers: 3
image
Mathematics, 22.06.2019 00:00, lilfofo9
David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?
Answers: 1
You know the right answer?
A runner’s distribution of times for running 1,000 meters has a mean of 4.5 minutes with a standard...

Questions in other subjects:

Konu
English, 30.12.2019 11:31
Konu
Mathematics, 30.12.2019 11:31
Konu
Arts, 30.12.2019 11:31