subject
Mathematics, 31.03.2021 05:50 floydsidney1119

A sports marketing company is interested in how many hours teenagers in a town spend watching sports. They randomly select 40 teenagers in this town and ask how many hours per week they spend watching sports. The mean amount is 6.25 hours with a standard deviation of 4.33 hours. Which of the following is the 90% confidence interval for the true mean amount of time teenagers from this town watch sports? (4.396, 8.104)
(4.865, 7.635)
(5.097, 7.404)
(5.245, 7.256)

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 22:40
20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)
Answers: 1
question
Mathematics, 21.06.2019 23:20
Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g
Answers: 1
question
Mathematics, 22.06.2019 02:40
21 type the correct answer in each box. if necessary, round your answers to the nearest hundredth the vertices of abc are a(2,8), b(16, 2), and c(6,2). the perimeter of abc is units, and its area is square units
Answers: 2
question
Mathematics, 22.06.2019 02:50
Asap! i need this done today and i really don’t understand it. some one ! will mark
Answers: 1
You know the right answer?
A sports marketing company is interested in how many hours teenagers in a town spend watching sports...
Questions
question
Mathematics, 28.08.2021 01:00
question
Mathematics, 28.08.2021 01:00
question
Chemistry, 28.08.2021 01:00
question
Chemistry, 28.08.2021 01:00
question
Mathematics, 28.08.2021 01:00
question
Mathematics, 28.08.2021 01:00
question
Mathematics, 28.08.2021 01:00