Question

Mean, Variance and Standard Deviation of a Continuous Random Variable 37. Consider the density function (?)=3?...

Mean, Variance and Standard Deviation of a Continuous Random Variable

37. Consider the density function (?)=3? 2 on the interval [0,1]. Find the expected value E(X), the variance Var(X) and the standard deviation σ(X) for the density function and round your answers to four decimal places [Clearly state the method you used and how you calculated your result if you used the calculator]

38.Find the median of the random variable with the probability density function given in question 37 round your answers to four decimal places.

39.Assuming that workers' salaries in your company are uniformly distributed between $10,000 and $60,000 per year, calculate the average salary in your company.

40. Your company's new series "Avocado Comedy Hour" has been a complete flop, with viewership continuously declining at a rate of 35% per month. How long will the average viewer continue to watch the show? (Round your answer to the nearest year.)

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Find the expected value E(X), the variance Var(X) and the standard deviation σ(X) for the density...
Find the expected value E(X), the variance Var(X) and the standard deviation σ(X) for the density function. (Round your answers to four decimal places.) f(x) = ex on [0, ln 2] E(X) =    Var(X) = σ(X) =
Find the expected value E(X), the variance Var(X) and the standard deviation σ(X) for the density...
Find the expected value E(X), the variance Var(X) and the standard deviation σ(X) for the density function. (Round your answers to four decimal places.) f(x) = ex on [0, ln 2] E(X) = Var(X) = σ(X) =
Find the expected value E(X), the variance Var(X) and the standard deviation σ(X) for the density...
Find the expected value E(X), the variance Var(X) and the standard deviation σ(X) for the density function. (Round your answers to four decimal places.) f(x) = e^x on [0, ln 2]?
Find the mean, variance, and standard deviation of the random variable having the probability distribution given...
Find the mean, variance, and standard deviation of the random variable having the probability distribution given in the following table. (Round your answers to four decimal places.) Random variable, x -7 -6 -5 -4 -3 P(X = x) 0.13 0.16 0.4 0.15 0.16
Let X be a continuous random variable with a probability density function fX (x) = 2xI...
Let X be a continuous random variable with a probability density function fX (x) = 2xI (0,1) (x) and let it be the function´ Y (x) = e^−x a. Find the expression for the probability density function fY (y). b. Find the domain of the probability density function fY (y).
Let X be a continuous random variable with probability density function (pdf) ?(?) = ??^3, 0...
Let X be a continuous random variable with probability density function (pdf) ?(?) = ??^3, 0 < ? < 2. (a) Find the constant c. (b) Find the cumulative distribution function (CDF) of X. (c) Find P(X < 0.5), and P(X > 1.0). (d) Find E(X), Var(X) and E(X5 ).
1. Consider a continuous random variable X with a probability density function that is normal with...
1. Consider a continuous random variable X with a probability density function that is normal with mean 0 and standard deviation What is the probability that X = 0? Explain your answer. 2. Is each outcome of the roll of a fair die an independent Bernoulli trial? Why or why not?
Let X be a random variable with probability density function f(x) = {3/10x(3-x) if 0<=x<=2 .........{0...
Let X be a random variable with probability density function f(x) = {3/10x(3-x) if 0<=x<=2 .........{0 otherwise a) Find the standard deviation of X to four decimal places. b) Find the mean of X to four decimal places. c) Let y=x2 find the probability density function fy of Y.
The density function of random variable X is given by f(x) = 1/4 , if 0...
The density function of random variable X is given by f(x) = 1/4 , if 0 Find P(x>2) Find the expected value of X, E(X). Find variance of X, Var(X). Let F(X) be cumulative distribution function of X. Find F(3/2)
A normal random variable x has mean ? = 1.7 and standard deviation ? = 0.12....
A normal random variable x has mean ? = 1.7 and standard deviation ? = 0.12. Find the probability associated with each of the following intervals. (Round your answers to four decimal places.) (a)     1.00 < x < 1.40 (b)     x > 1.34 (c)     1.25 < x < 1.50
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT