Question

A continuous random variable X has a pdf of the form: f(x)=(951/377) x^3, for 0,46<X<1,13. Calculate...

A continuous random variable X has a pdf of the form: f(x)=(951/377) x^3, for 0,46<X<1,13. Calculate the standard deviation (sigma) of X.

Homework Answers

Answer #1

thank you.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
a continuous random variable X has a pdf f(x) = cx, for 1<x<4, and zero otherwise....
a continuous random variable X has a pdf f(x) = cx, for 1<x<4, and zero otherwise. a. find c b. find F(x)
If X is a continuous random variable with pdf f(x) on the interval [a,b] then show...
If X is a continuous random variable with pdf f(x) on the interval [a,b] then show that a<E(X)<b.
Suppose that X is continuous random variable with PDF f(x) and CDF F(x). (a) Prove that...
Suppose that X is continuous random variable with PDF f(x) and CDF F(x). (a) Prove that if f(x) > 0 only on a single (possibly infinite) interval of the real numbers then F(x) is a strictly increasing function of x over that interval. [Hint: Try proof by contradiction]. (b) Under the conditions described in part (a), find and identify the distribution of Y = F(x).
Let X and Y be continuous random variable with joint pdf f(x,y) = y/144 if 0...
Let X and Y be continuous random variable with joint pdf f(x,y) = y/144 if 0 < 4x < y < 12 and 0 otherwise Find Cov (X,Y).
Let X be a continuous random variable rv distributed via the pdf f(x) =4e^(-4x) on the...
Let X be a continuous random variable rv distributed via the pdf f(x) =4e^(-4x) on the interval [0, infinity]. a) compute the cdf of X b) compute E(X) c) compute E(-2X) d) compute E(X^2)
Let X be a continuous random variable with a PDF of the form fX(x)={c(1−x),0,if x∈[0,1],otherwise. Find...
Let X be a continuous random variable with a PDF of the form fX(x)={c(1−x),0,if x∈[0,1],otherwise. Find the following values. 1. c= 2. P(X=1/2)= 3. P(X∈{1/k:k integer, k≥2})= 4. P(X≤1/2)=
A continuous random variable X has pdf ?x(?) = (? + 1) ?^2, 0 ≤ ?...
A continuous random variable X has pdf ?x(?) = (? + 1) ?^2, 0 ≤ ? ≤ ? + 1, Where B is the last digit of your registration number (e.g. for FA18-BEE-123, B=3). a) Find the value of a b) Find cumulative distribution function (CDF) of X i.e. ?? (?). c) Find the mean of X d) Find variance of X.
Let X be a continuous random variable with a PDF of the form fX(x)={c(1−x),0,if x∈[0,1],otherwise. c=...
Let X be a continuous random variable with a PDF of the form fX(x)={c(1−x),0,if x∈[0,1],otherwise. c= P(X=1/2)= P(X∈{1/k:k integer, k≥2})= P(X≤1/2)=
2. Let X be a continuous random variable with pdf given by f(x) = k 6x...
2. Let X be a continuous random variable with pdf given by f(x) = k 6x − x 2 − 8 2 ≤ x ≤ 4; 0 otherwise. (a) Find k. (b) Find P(2.4 < X < 3.1). (c) Determine the cumulative distribution function. (d) Find the expected value of X. (e) Find the variance of X
3. Let X be a continuous random variable with PDF fX(x) = c / x^1/2, 0...
3. Let X be a continuous random variable with PDF fX(x) = c / x^1/2, 0 < x < 1. (a) Find the value of c such that fX(x) is indeed a PDF. Is this PDF bounded? (b) Determine and sketch the graph of the CDF of X. (c) Compute each of the following: (i) P(X > 0.5). (ii) P(X = 0). (ii) The median of X. (ii) The mean of X.