Suppose the probability of a continuous random variable X, occurring over the range from 2 to...

Question

Question

Suppose the probability of a continuous random variable X, occurring over the range from 2 to 7, is constant.

Find the PDF function, f(x).

f(x) = 1/5, 2<X<7

f(x) = 1/6, 2<X<7

f(x) = 1/6

f(x) = 1/5

math Statistics-And-Probability

Answer 1

Answer #1

1) The PDF function is

Answer 2

Similar Homework Help Questions

2. Suppose X is a continuous random variable with the probability density function (i.e., pdf) given...

2. Suppose X is a continuous random variable with the probability density function (i.e., pdf) given by f(x) - 3x2; 0< x < 1, - 0; otherwise Find the cumulative distribution function (i.e., cdf) of Y = X3 first and then use it to find the pdf of Y, E(Y) and V(Y)
Problem 3: (20 points) Suppose X is a uniformly distributed continuous random variable over [1,3]...

Problem 3: Problem 3: (20 points) Suppose X is a uniformly distributed continuous random variable over [1,3]. a. (10 points) If Y - 4X2, find f (y), the PDF of Y. Indicate the range for which it applies. b. (10 points) What is the expected value of Y 0 し( 4 4 Problem 3: (20 points) Suppose X is a uniformly distributed continuous random variable over [1,3]. a. (10 points) If Y - 4X2, find f (y), the PDF of...
Suppose that X is a continuous random variable with probability distribution Suppose that X is a...

Suppose that X is a continuous random variable with probability distribution Suppose that X is a continuous random variable with probability distribution O<x<6 18 (a) Find the probability distribution of the random variable Y-10X 3. fr o) 2 Edit for Sy s (b) Find the expected value of Y

2. Suppose that the continuous random variable X has the pdf f(x) = cx3:0 < x...

2. Suppose that the continuous random variable X has the pdf f(x) = cx3:0 < x < 2 (a) Find the value of the constant c so that this is a valid pdf. (10 pts) (b) Find P(X -1.5) (5 pts) (c) Find the edf of X use the c that you found in (a). (Hint: it should include three parts: x x < 2, and:2 2) (20 pts) 0,0 <
(22pts) 6. Suppose X is a continuous random variable with the pdf f(x) is given by...

(22pts) 6. Suppose X is a continuous random variable with the pdf f(x) is given by $(x) = { 1 + 2 OSIS 1; Osasi otherwise. (4 pts) a Verify f(x) is a valid pdf. (4 pts) b. Find the cumulative distribution function (cdt) of X (4 pts) c. Find P(OSX30.5). (5 pts) d. Find E(X). (5 pts) e. Find V(x)
Problem 5. Let X be a continuous random variable with a 2-paameter exponential distribution with ...

Problem 5. Let X be a continuous random variable with a 2-paameter exponential distribution with parameters α = 0.4 and xo = 0.45, ie, ;x 2 0.45 x 〈 0.45 f(x) = (2.5e-2.5 (-0.45) Variable Y is a function of X: a) Find the first order approximation for the expected value and variance of Y b) Find the probability density function (PDF) of Y. c) Find the expected value and variance of Y from its PDF Problem 5. Let X...

Question 2 (30 pts) Suppose that X is a continuous random variable with the following probability...

Question 2 (30 pts) Suppose that X is a continuous random variable with the following probability density function: 2 /(x) = (2 _-), for 3 < x 6 0, otherwise Develop a random-variate generator for the random variable X by using the inverse-transform technique.
1. Let X be a continuous random variable with probability density function f(x) = { if...

1. Let X be a continuous random variable with probability density function f(x) = { if x > 2 otherwise 0 Check that f(-x) is indeed a probability density function. Find P(X > 5) and E[X]. 2. Let X be a continuous random variable with probability density function f(x) = = { SE otherwise where c is a constant. Find c, and E[X].
P7 continuous random variable X has the probability density function fx(x) = 2/9 if P.5 The...

P7 continuous random variable X has the probability density function fx(x) = 2/9 if P.5 The absolutely continuous random 0<r<3 and 0 elsewhere). Let (1 - if 0<x< 1, g(x) = (- 1)3 if 1<x<3, elsewhere. Calculate the pdf of Y = 9(X). P. 6 The absolutely continuous random variables X and Y have the joint probability density function fx.ya, y) = 1/(x?y?) if x > 1,y > 1 (and 0 elsewhere). Calculate the joint pdf of U = XY...

6. Let X be the continuous random variable denoting the probability that the Game- cocks baseball...

6. Let X be the continuous random variable denoting the probability that the Game- cocks baseball team will qualify for this year's College World Series. Assume that the probability density function (pdf) of X is given by J(x)-Ca () for 0Szs1, where C is a constant of proportionality that makes f (a) Find the appropriate value of C. Then plot the PDF. (b) Find PriX> 8). (c) Find the mean, p, of X. (d) Find the standard deviation, σ, of...