Mathematics, 15.11.2021 01:00 anamariarozo
Private nonprofit four-year colleges charge, on average, $26,094 per year in tuition and fees. The standard deviation is $7,155. Assume the distribution is normal. Let X be the cost for a randomly selected college. Round all answers to 4 decimal places where possible.
a. What is the distribution of X? X ~ N(
,
)
b. Find the probability that a randomly selected Private nonprofit four-year college will cost less than 22,107 per year.
c. Find the 69th percentile for this distribution. $
(Round to the nearest dollar.)
Answers: 3
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Private nonprofit four-year colleges charge, on average, $26,094 per year in tuition and fees. The s...
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