Mathematics, 30.12.2021 03:50 simran922
A person read that the average number of hours an adult sleeps on Friday night to Saturday morning was 7.2 hours. The researcher feels that college students do not sleep 7.2 hours on average. The researcher randomly selected 15 students and found that on average they slept 8.3 hours. The standard deviation of the sample is 1.2 hours. At a =0.05, is there enough evidence to say that college students do not sleep 7.2 hours on average?
Answers: 1
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The graph below could be the graph of which exponential function?
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The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches
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Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?
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A person read that the average number of hours an adult sleeps on Friday night to Saturday morning w...
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