Mathematics, 28.03.2020 23:29 Tahliyah9420
A. Student study times. A class survey in a large class for first-year college students asked, "About how many hours do you study during a typical week?" The mean response of the 463 students
was Hx= 13.7 hours. Suppose that we know that the study time follows a Normal distribution with standard deviation o= 7.4 hours in the population of all first-year students at this university
A. Use the survey result to give a 99% confidence interval for the mean study time of all first-year students.
B. What condition not yet mentioned must be met for your confidence interval to be valid
Answers: 1
Mathematics, 21.06.2019 19:00
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93
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Carlos by 24 mi and ran 6 miles what is the ratio of the distance carlos ran to the distance he biked
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A. Student study times. A class survey in a large class for first-year college students asked, "Abou...
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