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the mean undergraduate cost for tuition, fees, room, and board for four-year institu...
Mathematics, 04.12.2019 19:31, stephaniedoffing
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the mean undergraduate cost for tuition, fees, room, and board for four-year institutions was $28,685 for a recent academic year. suppose that the standard deviation of the distribution is $4201 and that 50 four-year institutions are selected at random. find the probability that the sample mean cost for these schools is:
a. less than $26,000
b. greater than $30,000
c. between $27,000 and $31,000
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Mathematics, 21.06.2019 14:00, fahaddakhil3186
Question 1(multiple choice worth 1 points)(07.06 mc)a group of students must collect at least $150 to organize a science fair. they have already collected $30. which graph best represents all remaining amounts of money, in dollars, that thestudents should still collect to organize the science fair? -210 -180 -150 - 120 -90-60 -300306090 120 150 180 210-210 -180 -150 - 120 -90 -60 -30 0 30 60 90 120 150 180 210-210 -180-150 - 120 -90-60-300 30 60 90 120 150 180 210-210 -180 -150 - 120.90 -60 -30 0 30 60 90 120 150 180 210
Answers: 3
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