Mathematics, 10.02.2021 03:10 10027945
A sports marketing company is interested in how many hours teenagers in a town spend watching sports. They randomly select 40 teenagers from 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 correctly interprets the 90% confidence interval for the true mean number of hours teenagers from this town watch sports?
90% of all teenagers from this town watch sports for the number of hours that lie between the values in the interval.
In repeated sampling, 90% of the time, the true mean number of hours teens from this town watch sports will be 6.25 hours.
The sports marketing company can be 90% confident that the constructed interval captures the true mean number of hours teens from this town watch sports.
In repeated sampling, 90% of the time the true mean number of hours teens from this town watch sports will be captured in the constructed interval.
Answers: 1
Mathematics, 21.06.2019 14:30
Ou have a 20-ounce bottle of juice. you pour out 14 of the bottle to share with a friend. if you pour out 3 ounces for yourself, what fraction of the 20 ounces will be left in the bottle? clear check 35 25 12 1320
Answers: 2
Mathematics, 21.06.2019 18:30
Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3
Answers: 3
Mathematics, 21.06.2019 21:30
Find the missing dimension! need asap! tiny square is a =3025 in ²
Answers: 1
Mathematics, 22.06.2019 01:50
The area of each triangle is 7 square units. the surface area of the triangular prism is
Answers: 1
A sports marketing company is interested in how many hours teenagers in a town spend watching sports...
Mathematics, 30.06.2019 05:30
History, 30.06.2019 05:30
Business, 30.06.2019 05:30
Mathematics, 30.06.2019 05:30
Health, 30.06.2019 05:30
Chemistry, 30.06.2019 05:30
Mathematics, 30.06.2019 05:30
Mathematics, 30.06.2019 05:30
Spanish, 30.06.2019 05:30
Biology, 30.06.2019 05:30
Mathematics, 30.06.2019 05:30
History, 30.06.2019 05:30
History, 30.06.2019 05:30