(d) What is the median checkout duration i? [solve 0.5 = F(M)). Enter a number. (e) Obtain the density function f(x). F(x) = F'(x) Osx < 5 otherwise (f) Calculate E(X).

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Let X denote the amount of time a book on two-hour reserve is actually checked out, and suppose the cdf is the following.
x < 0
x2
F(x) =
OSx< 5
25
5 S x
Use the cdf to obtain the following. (If necessary, round your answer to four decimal places.)
(a) Calculate P(X S 3).
0.36
(b) Calculate P(2.5 SXS 3).
0.11
(c) Calculate P(X > 3.5).
0.51
(d) What is the median checkout duration u? [solve 0.5 = F(M)].
Enter a number.
(e) Obtain the density function f(x).
f(x) = F'(x)
OSx < 5
otherwise
(f) Calculate E(X).
(g) Calculate V(X) and o
V(X)
(h) If the borrower is charged an amount h(X) = x² when checkout duration is X, compute the expected charge E[h(X)].
Transcribed Image Text:Let X denote the amount of time a book on two-hour reserve is actually checked out, and suppose the cdf is the following. x < 0 x2 F(x) = OSx< 5 25 5 S x Use the cdf to obtain the following. (If necessary, round your answer to four decimal places.) (a) Calculate P(X S 3). 0.36 (b) Calculate P(2.5 SXS 3). 0.11 (c) Calculate P(X > 3.5). 0.51 (d) What is the median checkout duration u? [solve 0.5 = F(M)]. Enter a number. (e) Obtain the density function f(x). f(x) = F'(x) OSx < 5 otherwise (f) Calculate E(X). (g) Calculate V(X) and o V(X) (h) If the borrower is charged an amount h(X) = x² when checkout duration is X, compute the expected charge E[h(X)].
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