The probability distribution for the discrete random variable X is described by the table shownhere. What is the average value or expected value of X, namely E(X)?0 12P(x).10 .10 .30 ? .05 .05-2 -140.67O 0.400.701.0 The probability distribution for the discrete random variable X is described by the table shownhere. What is the probability that the random variable X will equal a value of 2 or less, namely P(X< 2)?-2 -10 1 24P(x).10 .10.30 ? .05 .05O 0.050.45O 0.50O 0.95

Given that Probability mass function of X is x -2 -1 0 1 2 4 P(x) 0.10 0.10 0.30 ? 0.05 0.05

Answered: The probability distribution for the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A sociologist randomly selects single adults for different groups of three, and the random variable x is the number in the group who say that the most fun way to flirt is in person. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. P(x) 0.088 1 0.331 2 0.409 3 0.172 Does the table show a probability distribution? Select all that apply. A. Yes, the table shows a probability distribution. B. No, the sum of all the probabilities is not equal to 1. C. No, the random variable x is categorical instead of numerical. D. No, the random variable x's number values are not associated with probabilities. E. No, not every probability is between 0 and 1 inclusive. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. adult(s) (Round to…

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The probability distribution for the discrete random variable X is described by the table shown here. What is the probability that the random variable X will equal a value of 2 or less, namely P(X < 2)? 0 12 P(x).10 .10.30 ? .05 .05 -2 -1 4 O 0.05 0.45 O 0.50 0.95