MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Private nonprofit four-year colleges charge, on average, $27,363 per year in tuition and fees. The standard deviation is $6,865. 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? ~ N(   ,   )

b. Find the probability that a randomly selected Private nonprofit four-year college will cost less than 25,876 per year. ________

c. Find the 68th percentile for this distribution. $ _______ (Round to the nearest dollar.)

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