Mathematics, 09.09.2019 21:30 shanice13
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 are good, but show me the work so i can follow along
Answers: 1
Mathematics, 21.06.2019 18:30
Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made
Answers: 2
Private colleges and universities rely on money contributed by individuals and corporations for thei...
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