Question

Let X be a discrete uniform random variable with RX = {−2, −1, 0, 1, 2}, and let Y = 3X + 2. Find the probability mass function of Y

Name: let x be a discrete uniform random variable with rx 2 1 0 1 2 and let y 3x 2 find the probability mass function of y 92372
Uploaded: 2021-07-28T07:14:49-08:00
Duration: 1 min 41 s
Channel: Ahmad Reda
Description: let x be a discrete uniform random variable with rx 2 1 0 1 2 and let y 3x 2 find the probability mass function of y 92372

          Let X be a discrete uniform random variable with RX = {−2, −1, 0, 1, 2}, and let Y = 3X + 2. Find the probability mass function of Y

Added by William L.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Ahmad Reda

07/28/2021

Step 1

Since \( X \) is a discrete uniform random variable with the set \( R_X = \{-2, -1, 0, 1, 2\} \), each value in this set has an equal probability. The total number of outcomes is 5. The PMF of \( X \) is given by: \[ P(X = x) = \frac{1}{5} \quad \text{for } x Show more…

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