Suppose that the random variables X and Y have joint p.d.f.

babeeb0oL
2021-05-31
Answered

Suppose that the random variables X and Y have joint p.d.f.

You can still ask an expert for help

Demi-Leigh Barrera

Answered 2021-06-01
Author has **97** answers

Given :

To find marginal P.D.F of x

To find marginal P.D.F of y

asked 2021-03-18

A population of values has a normal distribution with

Find the probability that a single randomly selected value is between 133.6 and 134.1.

Write your answers as numbers accurate to 4 decimal places.

asked 2021-02-21

We wish to estimate what percent of adult residents in a certain county are parents. Out of 600 adult residents sampled, 192 had kids. Based on this, plot a

Express your answer in the form of three inequalities. Give your answers in decimal fractions up to three places

asked 2022-01-16

How do you derive a cumulative density function from a probability density function?

asked 2021-05-25

Random variables X and Y are uniformly distributed on the region bounded by the x and y axes, and the curve $y=1-{x}^{2}$ .

Calculate E(XY)

Calculate E(XY)

asked 2021-02-11

A population of values has a normal distribution with $\mu =116.3$ and $\sigma =27.5$ . You intend to draw a random sample of size $n=249$ .

Find the probability that a sample of size$n=249$ is a randomly selected with a mean greater than 117.3.

$P\left(\stackrel{\u2015}{X}>117.3\right)=$ ?

Write your answers as numbers accurate to 4 decimal places.

Find the probability that a sample of size

Write your answers as numbers accurate to 4 decimal places.

asked 2022-01-18

You have studied the number of people waiting in line at your bank on Friday afternoon at 3 pm for many years, and have created a probability distribution for 0, 1, 2, 3, or 4 people in line. The probabilities are 0.1, 0.3, 0.4, 0.1, and 0.1, respectively. What is the probability that at least 3 people are in line at 3 pm on Friday afternoon?

asked 2021-10-22

Let $X}_{1},{X}_{2},\dots ,{X}_{6$ be an i.i.d. random sample where each $X}_{i$ is a continuous random variable with probability density function

$f\left(x\right)={e}^{-(x-0)},x>0$

Find the probability density function for$X}_{6$ .

Find the probability density function for