Find the E(X) of the random variable X with the following PDF: £x(x)=4410.11(x)+(1.2)(x)+(-+)423)(x)
Find the E(X) of the random variable X with the following PDF: £x(x)=4410.11(x)+(1.2)(x)+(-+)423)(x)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
answer no. 3 only
![1. Suppose the PMF of the random variable X is px(x) = .21(1.3)(x) + 6(2)(x). What
is the mean of X?
2. Compute for the mean of X given the following PMF:
Px(x) = (*)p*(\-— p)** .….…., (x) where n and p are constants (n is a
positive integer and p is a real number between 0 and 1.
(Hint: use the method discussed in Stat 117.)
3. Find the E(X) of the random variable X with the following PDF:
£x(x) = 410.11(x) + 1/{(1,2)(x) + (−3+²)42,3)(x)
4. Consider a gambler who wins P50 if the sum of dots in a toss of a pair of fair
dice is ther 7 or 11, and loses P10, otherwise, find the expected gain.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6d86d1e7-8768-4f44-9a5f-6e92de24c242%2F19c0be33-c4c3-4e82-994d-76e04edd1e88%2Fnln6nxs_processed.png&w=3840&q=75)
Transcribed Image Text:1. Suppose the PMF of the random variable X is px(x) = .21(1.3)(x) + 6(2)(x). What
is the mean of X?
2. Compute for the mean of X given the following PMF:
Px(x) = (*)p*(\-— p)** .….…., (x) where n and p are constants (n is a
positive integer and p is a real number between 0 and 1.
(Hint: use the method discussed in Stat 117.)
3. Find the E(X) of the random variable X with the following PDF:
£x(x) = 410.11(x) + 1/{(1,2)(x) + (−3+²)42,3)(x)
4. Consider a gambler who wins P50 if the sum of dots in a toss of a pair of fair
dice is ther 7 or 11, and loses P10, otherwise, find the expected gain.
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