Mathematics, 24.03.2020 02:34 LilBrookilyn2701
Private colleges and universities rely on money contributed by individuals and corporations for their operating expenses. Much of tis moeny is put int a fund called an endowment, and the college spends only the interest earned by the fund. A recent survey of 8 private colleges in the United States revealed the following endowments (in millions of dollars): 60.2, 47.0, 235.1, 490.0, 122.6, 177.5, 95.4, and 222.0. Summary statistics yield X-bar (aka the mean)= 180.975 and S = 143.042.a.) Calculate a 95% confidence interval for the mean endowment of all the private colleges in the United States assuming a normal distribution for the endowments. b.) Calculate a 99% confidence interval for the mean endowment of all the private colleges in the United States assuming a normal distribution for the endowments.
Answers: 1
Mathematics, 21.06.2019 18:30, darlene1283
Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?
Answers: 3
Mathematics, 22.06.2019 01:40, savthespice
Manuela solved the equation below. what is the solution to manuela’s equation?
Answers: 2
Private colleges and universities rely on money contributed by individuals and corporations for thei...
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