Compute the mean of the random variable with the given discrete probability distribution.
Compute the mean of the random variable with the given discrete probability distribution.
. Identify the given item as probability distribution, continuous random variable, or (I poin discrete random variable. The number of oranges purchased in a grocery store. O Probability Distribution O Continuous Random Variable O Discrete Random Variable
4. Discrete random variable is given. a) Probability distribution function is if P2 P1 Pi if if F(x) if b) formula that may be used to find mean of this random variable: if xe3]
Discrete Random Variable. The random variable x has the discrete probability distribution shown here: x -2 -1 0 1 2 p(x) 0.1 0.15 0.4 0.3 0.05 Find P(-1<=x<=1) Find P(x<2) Find the expected value (mean) of this discrete random variable. Find the variance of this discrete random variable
Cumulative distribution function The probability distribution of a discrete random variable X is given below: Value x of X P(x-x) 0.24 0.11 -2 0.26 0.11 Let Fx be the cumulative distribution function of X. Compute the following: X 5 ? 18+ (-2) - Px (-4) = 0
1. The probability distribution of a discrete random variable X is given by: P(X =-1) = 5, P(X = 0) = and P(X = 1) = ? (a) Compute E[X]. (b) Determine the probability distribution Y = X2 and use it to compute E[Y]. (c) Determine E[x2] using the change-of-variable formula. (You should match your an- swer in part (b). (d) Determine Var(X).
For a discrete random variables X, the probability distribution is given by Find the mean a. Find the standard deviation σ b. c. Find (3)
2. Consider a discrete random variable X with mean u = 4.9 and probability distribution function p(x) given in the table below. Find the values a and b and calculate the variance o p(x) 0.25 5 6 0.35
** Question 1: Consider the following discrete probability distribution. The mean of this random variable is 3.75. x 0 1 2 5 P(X=x) 0.10 0.70 a) Find the missing values for P(X=1) and P(X=2) Hint: you will need to use two equations here, and substitution. This should be familiar from high school mathematics. The two equations you will need are for the mean of a discrete random variable and that the sum of all the probabilities equals 1. - please...
In the following probability distribution, the random variable represents the number of activities a part of a toth grade students involved Complete parte (a) through inbow PM) 0.4470.1310279 0.0790054 (a) Verity that this is a discrete probability distribution This is a discrete probability distribution because the sum of the probabiliosis (b) Graph the discrete probability distribution. Choose the correct grach below. and each probability between 0 and 1, indusve 05 (c) Compute and interpret the mean of the random variable...
In the following probability distribution, the random variable x represents the number of activities a parent of a 6 th- to 8th-grade student is involved in. Complete parts (a) through (f) below.x01234P(x)0.3670.1330.2090.1160.175(a) Verify that this is a discrete probability distribution.This is a discrete probability distribution because the sum of the probabilities is _______ and each probability is _______ (b) Graph the discrete probability distribution. Choose the correct graph below.(c) Compute and interpret the mean of the random variable x .The mean...