The proportion of impurities per batch in a chemical product is a random variable X with density function 12x2(1 - х) for 0sx<1 f(x) = - otherwise find the mean of the proportion of impurities in a randomly selected batch of chemical. A 3/5 (в 1/4 1/2 1/6
The proportion of impurities per batch in a chemical product is a random variable X with density function 12x2(1 - х) for 0sx<1 f(x) = - otherwise find the mean of the proportion of impurities in a randomly selected batch of chemical. A 3/5 (в 1/4 1/2 1/6
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:The proportion of impurities per batch in a chemical product is a random variable X with density function
12x2(1– x)
for 0sxs1
f(x)
otherwise
find the mean of the proportion of impurities in a randomly selected batch of chemical.
A
3/5
B
1/4
c) 1/2
1/6

Transcribed Image Text:Suppose that the random variable X has the probability density function
[ c(1-x²)
for - 1< x <1
f(x) =
elsewhere
Find the value of the constant c.
A
5/6
в) 1/3
3/4
4/3
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