Ask a New Question

A random variable has aprobability

A random variable has aprobability function p(x)=kx; x=1,2,3,4,5.find the value of k, p(x>=3),compute mean and variance of x.
1. 1 answer
2. asked by ahmed
3. 1,060 views
Moments of Bernoulli random variablesThe nth moment of a random variable X is defined to be the expectation E[X^n] of the nth
1. 1 answer
2. asked by egg
3. 156 views
The nth moment of a random variable X is defined to be the expectation E[Xn] of the nth power of X.Recall that a Bernoulli
1. 0 answers
2. asked by Chibuzo Ekenna Ekejiuba
3. 752 views
Let X be a continuous random variable, uniformly distributed on some interval, and let Y = aX + b. The random variable will be a
1. 2 answers
2. asked by Anonymous
3. 1,571 views
Background: a number, e.g. 2 , can be thought of as a trivial random variable that always takes the value 2 . Let x be a number.
1. 1 answer
2. asked by Vince
3. 2,289 views
You observe 𝑘 i.i.d. copies of the discrete uniform random variable 𝑋𝑖 , which takes values 1 through 𝑛 with equal
1. 1 answer
2. asked by Keith
3. 1,897 views
A random experiment of tossing a die twice is performed. Random variable X on thissample space is defined to be the sum of two
1. 2 answers
2. asked by padma.c
3. 2,127 views
A random variable is normally distributed with a mean of 50 and a standard deviation of 5.b. What is the probability that the
1. 0 answers
2. asked by Snow
3. 1,106 views
Identify the given item as probability distribution, continuous random variable, or discrete random variable.The amount of time
1. 1 answer
2. asked by maczindahouse
3. 1,536 views
Setup: You will use this setup for all problems below.You observe k i.i.d. copies of the discrete uniform random variable Xi,
1. 0 answers
2. asked by Ann
3. 810 views