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)
What exactly is your question?
Explanation is in a file
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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
please help me
Step-by-step explanation: