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 15:20, trinityrae4657
Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a
Answers: 3
Mathematics, 21.06.2019 18:20, rishiganesh
The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.
Answers: 3
Mathematics, 21.06.2019 18:40, Jonny13Diaz
What is the value of the expression below? 148+(-6)| + |– 35= 7|
Answers: 2
A. Student study times. A class survey in a large class for first-year college students asked, "Abou...
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