A sports marketing company is interested in how many hours teenagers in a town spend watching sports. They randomly select 40 teenagers

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)

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This Post Has 4 Comments

  1. x is greater than 5

    step-by-step explanation:

    2x+7 is greater than 17

        -7                           -7

    2x is greater than 10

    divide by 2 each side

    x is greater than 5

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