The distance X, in yards, that a small person can throw a 50-pound weight, has density fx(x)
Question:
fx(x) = - 0.0375x2 + 0.075x + 0.3,
for 0 ≤ x ≤ 4,
and fx(x) = 0 otherwise. Find the variance of X.
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Related Book For
Introduction to Probability
ISBN: 978-0716771098
1st edition
Authors: Mark Daniel Ward, Ellen Gundlach
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