4.16 Unit Test: Random Variables and Distributions - Part 1
For the probability distribution shown, what is ?
a. 0.2
b. 0.4
c. 0.65
d. 0.75
Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Three tables listed below show random variables and their probabilities. However, only one of these is...
Three tables listed below show random variables and their probabilities. However, only one of these is actually a probability distribution. A B C x P(x) x P(x) x P(x) 25 0.2 25 0.2 25 0.2 50 0.4 50 0.4 50 0.4 75 0.1 75 0.1 75 0.1 100 0.3 100 0.5 100 0.7 a. Which of the above tables is a probability distribution? b. Using the correct probability distribution, find the probability that x is: (Round the final answers to...
Let X denote the amount of space occupied by an article placed in a 1-ft packing...
Let X denote the amount of space occupied by an article placed in a 1-ft packing container. The pdf of X is below. 56x6(1 - x) 0 x 1 f(x) = otherwise Obtain the cdf of X. 0 0 > X F(x) 0 s x s 1 1 x > 1 Graph the cdf of X F(x) F(x) 1.0 1.0 0.8 0.8 0.6 0.6 0.4 0.4 0.2 0.2 1.0 0.8 0.6 0.4 0.2 1.0 0.8 0,6 0.4 0.2 F(x F(x)...
Please answer from a-d Problem 2. Let X be a random variable with one of the...
Please answer from a-d
Problem 2. Let X be a random variable with one of the following cumulative distribution function. 1.2 1,2 1.0 1.0 0.8 0.8 0.6 0.6 0.4 0.4 0.2 0.2 0.0 0.0 -1.0 -0.5 0.0 0.5 1.0 1.5 2,0 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 X X Pick the correct cumulative distribution function plot and answer questions: Page 2 of 9 Write down the probability mass function and What is the PMF of X? A. Poisson (3...
Consider the following probability distribution: x P(x) 1 0.1 2 ? 3 0.2 4 0.3 What...
Consider the following probability distribution: x P(x) 1 0.1 2 ? 3 0.2 4 0.3 What must be the value of P(2) if the distribution is valid? A. 0.6 B. 0.5 C. 0.4 D. 0.2 What is the mean of the probability distribution? A. 2.5 B. 2.7 C. 2.0 D. 2.9
Determine if the following tables can serve as a probability distribution for some random variable based...
Determine if the following tables can serve as a probability distribution for some random variable based on the three conditions: (1) $X$ values are numerical. (2) $P(x)$ values are between 0 and 1 and. (3) sum of P(x) values is 1 (P(x) = 1). If all three conditions are met, write not applicable (NA) for the second part. (a) x 02 3 4 5 P(x) 0.2 0.24 0.16 0.3 0.2 This table a a probability distribution because it does not...
Consider the probability distribution shown for the random variable x found below. Complete part a through...
Consider the probability distribution shown for the random variable x found below. Complete part a through f. 0 x P(x) 3 0.4 4 0.2 6 0.2 12 0.2 a. Find = E(x) = 5.6 (Round to the nearest tenth as needed.) b. Find o =E[(x-1)2]. (Round to the nearest hundredth as needed.) c. Find o. o= (Round to four decimal places as needed.) d. Interpret the value you obtained for p. Choose the correct answer below. O A. The average...
Discrete Probability Distributions, Continuous Probability Distri- butions, and Sampling Distributions (100 points) 1. Does each of...
Discrete Probability Distributions, Continuous Probability Distri- butions, and Sampling Distributions (100 points) 1. Does each of the following tables represent a probability distribution? Explain why or why not. For those that represent a probability distribution, calculate the mean and variance of the variable r. a f(x) 0.5 0.25 0.25 f(x) 0.4 0.4 0.4 0.2 ( X 1 2 3 4 C) f(x) 0.5 0.3 0.3 -0.1
The random variable x has the following discrete probability distribution. Complete parts a through f Question...
The random variable x has the following discrete probability
distribution. Complete parts a through f
Question Help O The random variable x has the following discrete probability distribution. Complete parts a through f. P(x) 622 8 0.4 0.2 9 0.2 0.1 a. List the values x may assume. DODO. (Use ascending order.) b. What value of x is most probable? c. Display the probability distribution as a graph. Choose the correct graph below. OA. OB Oc. OD 071 LUH >...
Part 2. Random Variables 4. Two independent random variables Xand y are given with their distribution laws 0.3 0.7 0.8...
Part 2. Random Variables 4. Two independent random variables Xand y are given with their distribution laws 0.3 0.7 0.8 0.2 Pi Find the distribution law and variance for the random variable V-3XY 5. There are 7 white balls and 3 red balls in a box. Balls are taken from the box without return at randomm until one white ball is taken. Construct the distribution law for the number of taken balls. 6. Let X be a continuous random variable...
Please answer from b-d as priority! Problem 2. Let X be a random variable with one...
Please answer from b-d as
priority!
Problem 2. Let X be a random variable with one of the following cumulative distribution function. 1.2 1.2 1.0 1.0 0.8 0.8 0.6 0.6 0.4 F 0.4 0.2 0.2 0.0 0.0 -1.0 -0.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 0.0 0.5 1.0 1.5 2.0 X Pick the correct cumulative distribution function plot and answer questions: Page 2 of 9 (3 pts) Write down the probability mass function and What is the PMF of...
Let X denote the amount of space occupied by an article placed in a 1-ft packing container. The pdf of X is below. 56x6(1 - x) 0 x 1 f(x) = otherwise Obtain the cdf of X. 0 0 > X F(x) 0 s x s 1 1 x > 1 Graph the cdf of X F(x) F(x) 1.0 1.0 0.8 0.8 0.6 0.6 0.4 0.4 0.2 0.2 1.0 0.8 0.6 0.4 0.2 1.0 0.8 0,6 0.4 0.2 F(x F(x)...
Please answer from a-d
Problem 2. Let X be a random variable with one of the following cumulative distribution function. 1.2 1,2 1.0 1.0 0.8 0.8 0.6 0.6 0.4 0.4 0.2 0.2 0.0 0.0 -1.0 -0.5 0.0 0.5 1.0 1.5 2,0 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 X X Pick the correct cumulative distribution function plot and answer questions: Page 2 of 9 Write down the probability mass function and What is the PMF of X? A. Poisson (3...
Determine if the following tables can serve as a probability distribution for some random variable based on the three conditions: (1) $X$ values are numerical. (2) $P(x)$ values are between 0 and 1 and. (3) sum of P(x) values is 1 (P(x) = 1). If all three conditions are met, write not applicable (NA) for the second part. (a) x 02 3 4 5 P(x) 0.2 0.24 0.16 0.3 0.2 This table a a probability distribution because it does not...
Consider the probability distribution shown for the random variable x found below. Complete part a through f. 0 x P(x) 3 0.4 4 0.2 6 0.2 12 0.2 a. Find = E(x) = 5.6 (Round to the nearest tenth as needed.) b. Find o =E[(x-1)2]. (Round to the nearest hundredth as needed.) c. Find o. o= (Round to four decimal places as needed.) d. Interpret the value you obtained for p. Choose the correct answer below. O A. The average...
Discrete Probability Distributions, Continuous Probability Distri- butions, and Sampling Distributions (100 points) 1. Does each of the following tables represent a probability distribution? Explain why or why not. For those that represent a probability distribution, calculate the mean and variance of the variable r. a f(x) 0.5 0.25 0.25 f(x) 0.4 0.4 0.4 0.2 ( X 1 2 3 4 C) f(x) 0.5 0.3 0.3 -0.1
The random variable x has the following discrete probability
distribution. Complete parts a through f
Question Help O The random variable x has the following discrete probability distribution. Complete parts a through f. P(x) 622 8 0.4 0.2 9 0.2 0.1 a. List the values x may assume. DODO. (Use ascending order.) b. What value of x is most probable? c. Display the probability distribution as a graph. Choose the correct graph below. OA. OB Oc. OD 071 LUH >...
Part 2. Random Variables 4. Two independent random variables Xand y are given with their distribution laws 0.3 0.7 0.8 0.2 Pi Find the distribution law and variance for the random variable V-3XY 5. There are 7 white balls and 3 red balls in a box. Balls are taken from the box without return at randomm until one white ball is taken. Construct the distribution law for the number of taken balls. 6. Let X be a continuous random variable...
Please answer from b-d as
priority!
Problem 2. Let X be a random variable with one of the following cumulative distribution function. 1.2 1.2 1.0 1.0 0.8 0.8 0.6 0.6 0.4 F 0.4 0.2 0.2 0.0 0.0 -1.0 -0.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 0.0 0.5 1.0 1.5 2.0 X Pick the correct cumulative distribution function plot and answer questions: Page 2 of 9 (3 pts) Write down the probability mass function and What is the PMF of...
Most questions answered within 3 hours.
-
consider the following price index in 2017:85; price
index in 2018: 100; price index 2019: 110;...
asked 11 minutes ago -
What is the [CH3COO–]/[CH3COOH]
ratio necessary to make a buffer solution with a pH of 4.34?...
asked 16 minutes ago -
a
physics textbook is thrown straight upward with a velocity of 5.00
m/s from the too...
asked 16 minutes ago -
QUESTION: Provide a real-world example or describe a
hypothetical situation in which a legitimate organization used...
asked 15 minutes ago -
In the United States, laws mandating that companies be
responsible for take back of electronic wastes...
asked 32 minutes ago -
URGENT PLEASE HELP. could you make it easy to understand and in
C++ thanks
1. (30...
asked 40 minutes ago -
Case Study. Multi Projects
Multi Projects, Inc., is a well-established consulting firm
with 400 employees. It...
asked 45 minutes ago -
An 8.00 kg point mass and a 15.0 kg point mass are held in place
50.0...
asked 46 minutes ago -
What would cause my program to execute the first if statement no
problem, but the second...
asked 47 minutes ago -
The Department of Transportation (DOT) would like to test the
hypothesis that the average age of...
asked 1 hour ago -
Suppose Hoosiers, a specialty clothing store, rents space at a
local mall for one year, paying...
asked 1 hour ago -
2. Your client from number 1 above is absolutely ecstatic about
the verdict in the immunization...
asked 59 minutes ago