subject
Mathematics, 09.04.2020 02:52 crtlq

Carson's tablet has 2,000 videos. The play time for the videos is skewed to the right, with a mean of 135 seconds and a standard deviation of 25 seconds.

Part A: Can you accurately calculate the probability that the mean play time is more than 142 seconds for an SRS of 10 videos? Explain. (4 points)

Part B: If you take a random sample of 50 videos instead of 10, explain how the Central Limit Theorem allows you to find the probability that the mean play time is more than 142 seconds. Calculate this probability and show your work.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?
Answers: 2
question
Mathematics, 21.06.2019 15:00
Which of the binomials below is a factor of this trinominal? x^2-13+30
Answers: 2
question
Mathematics, 21.06.2019 18:00
Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer
Answers: 1
question
Mathematics, 21.06.2019 18:00
Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?
Answers: 1
You know the right answer?
Carson's tablet has 2,000 videos. The play time for the videos is skewed to the right, with a mean o...
Questions
Questions on the website: 13722367