Homework Answers
Add Answer to:
just need help with the second question
"a scientific experiment the measurement error made by an...
the class is EGEN 350 pleas i need the answers of questions 4,5 and 6 (3pts)...
the class is EGEN 350 pleas i need the answers of questions 4,5
and 6
(3pts) An insurance company offers its policyholders a number of different premium payment options. For a randomly selected policyholder, let X = number of months between successive payments. If the CDF is as follows, fill in the pmf in the table provided? 4. 0.30 1sx <3 0.45 4 x<6 0.60 6 Sx < 12 1x2 12 Fx)0.40 3sx <4 P(X x) (3pts) A certain type...
Please show how did you came up with the answer, show formulas and work. Also, please do Parts e to i. Thank you so much 1. Consider the following probability mass function for the discrete joint pro...
Please show how did you came up with the answer, show formulas
and work. Also, please do Parts e to i. Thank you so much
1. Consider the following probability mass function for the discrete joint probability distribution for random variables X and Y where the possible values for X are 0, 1, 2, and 3; and the possible values for Y are 0, 1, 2, 3, and 4. p(x,y) <0 3 0 4 0.01 0 0 0.10 0.05 0.15...
#2. (24 points) Let X and Y have joint density (a) Find the marginal pdf of...
#2. (24 points) Let X and Y have joint density (a) Find the marginal pdf of Y. Use it to find E(Y) (b) Give an integral expression for P(X + Y < 0.75), but do not evaluate. (c) Give an integral expression for E(XY), but do not evaluate. Optional two point bonus problem. In Problem 2 above, is the distribution of Y skewed to the left or skewed to the right? Explain. #1. (28 points) Suppose that X has probability...
1. Consider a continuous random variable X with the probability density function Sx(x) = 3<x<7, zero...
1. Consider a continuous random variable X with the probability density function Sx(x) = 3<x<7, zero elsewhere. a) Find the value of C that makes fx(x) a valid probability density function. b) Find the cumulative distribution function of X, Fx(x). "Hint”: To double-check your answer: should be Fx(3)=0, Fx(7)=1. 1. con (continued) Consider Y=g(x)- 20 100 X 2 + Find the support (the range of possible values) of the probability distribution of Y. d) Use part (b) and the c.d.f....
Question 4: (5 Marks) Let X and Y be continuous random variables have a joint probability...
Question 4: (5 Marks) Let X and Y be continuous random variables have a joint probability density function of the form: f(x,y) = cy2 + x 0 SX S1, 0 Sys1. Determine the following: 1. The value of c. 2. The marginal distributions f(x) and f(y). 3. The conditional distribution f(xly). 4. Are X and Y independent? Why? - the
need help for a and c. Thank you! Two components of a laptop computer have the...
need help for a and c. Thank you!
Two components of a laptop computer have the following joint probability density function for their useful lifetimes X and Y (in years): f(x,y) = a. Find the marginal probability density function of X, fx(x). Enter a formula below. Use for multiplication, / for division, A for power and exp for exponential function. For example, otherwise 3*xA3 exp(-x/3) means 3x3e3 X 2 0 Submit Answer Incorrect. Tries 3/10 Previous Tries b. Find the...
2. Suppose a r.v. X has the density function 2 x, for 0<x<1 f(x) = 10,...
2. Suppose a r.v. X has the density function 2 x, for 0<x<1 f(x) = 10, otherwise Observe X independently for three times, let y denote the number of an event {X<0.5) occurring in three times. (1) What is the probability of the event {X<0.5}? (2) What is the probability distribution of Y ? Write out its probability mass function
Please answer all the questions and with the given hint. Thanks 2. An ad hoc committee...
Please answer all the questions and with the given hint.
Thanks
2. An ad hoc committee of three is selected randomly from a pool of 10 students consisting of 3 seniors, 3 juniors, 2 sophomores and 2 freshmen students. Let X be the number of seniors and Y be the number of juniors selected. The joint pmf of (X,Y) is, (*)(3)(3-6-v. px,y(x,y) = \* -2-y!, for x = 0,1,2,3, and y = 0,1,2,3 such that I +y < 3 =...
Please show the steps and the answers Suppose (X, Y) takes values on the unit square...
Please show the steps and the answers
Suppose (X, Y) takes values on the unit square [0, 1] x [0, 1) with joint pdf f(x,y)- 3. (x2 + Y2). a) Find the marginal probability density function fx(x) and use it to find P(X < 0.5). b) Find the joint distribution function.
Please answer the question clearly 10. If two cards are randomly drawn (without replacement) from an...
Please answer the question clearly
10. If two cards are randomly drawn (without replacement) from an ordinary deck of 52 playing cards, let Z be the number of Kings obtained from the first draw and let W be the total number of Kings obtained from both draws. The table below provides values for f(z, w), the joint distribution (PMF) of Z and W. 188 221 16 221 16 221 221 (a) Find the marginal distribution (PMF) of Z (b) Find...
the class is EGEN 350 pleas i need the answers of questions 4,5
and 6
(3pts) An insurance company offers its policyholders a number of different premium payment options. For a randomly selected policyholder, let X = number of months between successive payments. If the CDF is as follows, fill in the pmf in the table provided? 4. 0.30 1sx <3 0.45 4 x<6 0.60 6 Sx < 12 1x2 12 Fx)0.40 3sx <4 P(X x) (3pts) A certain type...
Please show how did you came up with the answer, show formulas
and work. Also, please do Parts e to i. Thank you so much
1. Consider the following probability mass function for the discrete joint probability distribution for random variables X and Y where the possible values for X are 0, 1, 2, and 3; and the possible values for Y are 0, 1, 2, 3, and 4. p(x,y) <0 3 0 4 0.01 0 0 0.10 0.05 0.15...
#2. (24 points) Let X and Y have joint density (a) Find the marginal pdf of Y. Use it to find E(Y) (b) Give an integral expression for P(X + Y < 0.75), but do not evaluate. (c) Give an integral expression for E(XY), but do not evaluate. Optional two point bonus problem. In Problem 2 above, is the distribution of Y skewed to the left or skewed to the right? Explain. #1. (28 points) Suppose that X has probability...
1. Consider a continuous random variable X with the probability density function Sx(x) = 3<x<7, zero elsewhere. a) Find the value of C that makes fx(x) a valid probability density function. b) Find the cumulative distribution function of X, Fx(x). "Hint”: To double-check your answer: should be Fx(3)=0, Fx(7)=1. 1. con (continued) Consider Y=g(x)- 20 100 X 2 + Find the support (the range of possible values) of the probability distribution of Y. d) Use part (b) and the c.d.f....
Question 4: (5 Marks) Let X and Y be continuous random variables have a joint probability density function of the form: f(x,y) = cy2 + x 0 SX S1, 0 Sys1. Determine the following: 1. The value of c. 2. The marginal distributions f(x) and f(y). 3. The conditional distribution f(xly). 4. Are X and Y independent? Why? - the
need help for a and c. Thank you!
Two components of a laptop computer have the following joint probability density function for their useful lifetimes X and Y (in years): f(x,y) = a. Find the marginal probability density function of X, fx(x). Enter a formula below. Use for multiplication, / for division, A for power and exp for exponential function. For example, otherwise 3*xA3 exp(-x/3) means 3x3e3 X 2 0 Submit Answer Incorrect. Tries 3/10 Previous Tries b. Find the...
2. Suppose a r.v. X has the density function 2 x, for 0<x<1 f(x) = 10, otherwise Observe X independently for three times, let y denote the number of an event {X<0.5) occurring in three times. (1) What is the probability of the event {X<0.5}? (2) What is the probability distribution of Y ? Write out its probability mass function
Please answer all the questions and with the given hint.
Thanks
2. An ad hoc committee of three is selected randomly from a pool of 10 students consisting of 3 seniors, 3 juniors, 2 sophomores and 2 freshmen students. Let X be the number of seniors and Y be the number of juniors selected. The joint pmf of (X,Y) is, (*)(3)(3-6-v. px,y(x,y) = \* -2-y!, for x = 0,1,2,3, and y = 0,1,2,3 such that I +y < 3 =...
Please show the steps and the answers
Suppose (X, Y) takes values on the unit square [0, 1] x [0, 1) with joint pdf f(x,y)- 3. (x2 + Y2). a) Find the marginal probability density function fx(x) and use it to find P(X < 0.5). b) Find the joint distribution function.
Please answer the question clearly
10. If two cards are randomly drawn (without replacement) from an ordinary deck of 52 playing cards, let Z be the number of Kings obtained from the first draw and let W be the total number of Kings obtained from both draws. The table below provides values for f(z, w), the joint distribution (PMF) of Z and W. 188 221 16 221 16 221 221 (a) Find the marginal distribution (PMF) of Z (b) Find...
Most questions answered within 3 hours.
-
3) What are the typical social structures in a global city?
asked 1 hour ago -
Luther Corporation
Consolidated Balance Sheet
December 31, 2019 and 2018 (in $ millions)
Assets
2019
2018...
asked 1 hour ago -
(Expected rate of return and risk) Carter Inc. is evaluating a
security. Calculate the investment’s expected...
asked 4 hours ago -
What specific indicators can point to lack of progress for
African Americans in American society?
asked 5 hours ago -
1-The Electrons in a beam are moving at 2.7×108 m/s in an
electric field of 15000...
asked 5 hours ago -
A gas tank is a vertical cylinder. It has a radius of 1m, a
height of...
asked 5 hours ago -
Accent Software faces the following conditions. All of these
support Accent’s use of a market-penetration pricing...
asked 6 hours ago -
A mathematically inclined friend emails you the following
instructions: "Meet me in the cafeteria the first...
asked 6 hours ago -
A monopoly sells in two countries . The demand curves in the two
countries are p1...
asked 7 hours ago -
A .15kg rubber ball is bounced off a wall. Before hitting the
wall, the ball moves...
asked 8 hours ago -
A manufacturing company preparing to build a new plant is
considering three potential locations for it....
asked 8 hours ago -
B. If compound Y has approximately the same values of solubility
in toluene as compound X,...
asked 9 hours ago