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 22:00
`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.
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Mathematics, 22.06.2019 03:00
Alocal hamburger shop sold a combined total of 601 hamburgers and cheeseburgers on friday. there were 51 more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday? a local hamburger shop sold a combined total of hamburgers and cheeseburgers on friday. there were more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday?
Answers: 1
A. Student study times. A class survey in a large class for first-year college students asked, "Abou...
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