Mathematics, 17.04.2020 21:10 dbenjamintheflash5
According to the Department of Education, college students spend an average of 150 minutes per day on their phones with a standard deviation of 75 minutes. Suppose a random sample of 36 college students is taken and the mean time is spent on phones is recorded.
(a) What is the probability that sample mean is less than 140 minutes per day?
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 18:20
Find the solution of this system of equation -7x+y=-20 9x-3y=36
Answers: 1
Mathematics, 21.06.2019 18:50
Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5
Answers: 1
Mathematics, 21.06.2019 20:30
Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π
Answers: 1
Mathematics, 21.06.2019 20:30
For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.
Answers: 1
You know the right answer?
According to the Department of Education, college students spend an average of 150 minutes per day o...
Questions
Mathematics, 27.02.2020 00:57
English, 27.02.2020 00:57
Mathematics, 27.02.2020 00:58
Mathematics, 27.02.2020 00:58
Mathematics, 27.02.2020 00:58
