Mathematics, 03.11.2019 16:31 queendolly
Sofia's audio player has 15,000 songs. the play time for the songs is skewed to the right, with a mean of 255 seconds and a standard deviation of 30 seconds. part a: can you accurately calculate the probability that the mean play time is more than 260 seconds for an srs of 15 songs? explain. (4 points) part b: if you take a random sample of 40 songs instead of 15, explain how the central limit theorem allows you to find the probability that the mean play time is more than 260 seconds. calculate this probability and show your work. (6 points)
Answers: 2
Mathematics, 21.06.2019 19:50
How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?
Answers: 3
Mathematics, 21.06.2019 20:30
Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?
Answers: 1
Mathematics, 21.06.2019 20:30
Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2
Answers: 2
Mathematics, 21.06.2019 21:20
An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.
Answers: 2
Sofia's audio player has 15,000 songs. the play time for the songs is skewed to the right, with a me...
Mathematics, 02.04.2021 22:40
History, 02.04.2021 22:40
Mathematics, 02.04.2021 22:40
Mathematics, 02.04.2021 22:40
Chemistry, 02.04.2021 22:40
Mathematics, 02.04.2021 22:40
Computers and Technology, 02.04.2021 22:40
Biology, 02.04.2021 22:40
Mathematics, 02.04.2021 22:40
Social Studies, 02.04.2021 22:40