The amount of the product of a controlled laboratory experiment, has the following cumulative distribution function F: F(x) = 0 for x < 0 and F(x)= 옭 a) What is the probability density function for X for 0 ≤ x ≤ 3? ○ f(x)= O f(x) = O F(x) = 0-2/77 ○ f(x) for 0 ≤ x ≤ 3 and F(x) = 1 for x > 3 ○ f(x) = b) What is the probability that X > 1.2? c) What is the probability X < 1.2 ? 3 d) What is the probability that X < 0 ? e) What is the probability that X > 2.2? f) What is the probability that X > 2.2 given that X > 1.2? 9) Calculate the median of X. h) What is the expected value of X? i) What is the expected value of x2 > 0 1) What is the variance of X? 10 k) What is the probability that X is more than 0.2 above its expected value? 11

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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The amount of the product of a controlled laboratory experiment, has the following cumulative distribution function F:
F(x) = 0 for x < 0 and F(x)=³ for 0 ≤ x ≤ 3 and F(x) = 1 for x > 3
27
a) What is the probability density function for X for 0 ≤ x ≤ 3?
○ f(x) =
f(x) =
160
f(x) == //
f(x)
(=/3/7/2
6* ~*
f(x) == /
b) What is the probability that X > 1.2? 2
c) What is the probability X < 1.2? 3
4
d) What is the probability that X < 0 ?
e) What is the probability that X > 2.2 ?
5
f) What is the probability that X > 2.2 given that X > 1.2?
6
g) Calculate the median of X. 7
h) What is the expected value of X?
8
i) What is the expected value of x²?
j) What is the variance of X?
k) What is the probability that X is more than 0.2 above its expected value?
10
11
Transcribed Image Text:The amount of the product of a controlled laboratory experiment, has the following cumulative distribution function F: F(x) = 0 for x < 0 and F(x)=³ for 0 ≤ x ≤ 3 and F(x) = 1 for x > 3 27 a) What is the probability density function for X for 0 ≤ x ≤ 3? ○ f(x) = f(x) = 160 f(x) == // f(x) (=/3/7/2 6* ~* f(x) == / b) What is the probability that X > 1.2? 2 c) What is the probability X < 1.2? 3 4 d) What is the probability that X < 0 ? e) What is the probability that X > 2.2 ? 5 f) What is the probability that X > 2.2 given that X > 1.2? 6 g) Calculate the median of X. 7 h) What is the expected value of X? 8 i) What is the expected value of x²? j) What is the variance of X? k) What is the probability that X is more than 0.2 above its expected value? 10 11
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