Use the alternative formula for variance to calculate the variance of the random variable in Table 11.

Question:

Table 11 Pr(X = k) %3D -2 -1 .2 .2 1 .2 2 .2

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Finite Mathematics and Its Applications

ISBN: 978-0134768632

12th edition

Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair

See More Books

Question Posted: Feb 12, 2018 09:04 AM

See More Questions

An insurance agent sells two types of policies to clients, both life insurance and auto insurance. The following joint distribution summarizes the number of life insurance policies sold to an...
Rework Example 10.5 using the alternative formula for the information given in Exercise 10.19. Example 10.5 Show that is a minimum variance unbiased estimator of the mean of a normal population.
Justify the alternative formula for multiplying a matrix A and a column vector x: Ax = x1C1+x2c2 + + xncn. (1.13) where c1,... ,cn are the columns of A and. x1,... ,xn the entries of x.
For 32 hours of work, you are paid $241.60. How much would you receive for 37 hours?
The resistance of a galvanometer coil is 25.0 , and the current required for full-scale deflection is 500 A. (a) Show in a diagram how to convert the galvanometer to an ammeter reading 20.0 mA full...
Margarita borrows R10,000 from her uncle and agrees to repay it in monthly instalments of R200. Her uncle charges 0,5% interest per month on the balance. How long will it take her to repay all the...
Explain the significance of components in the context of object-oriented development.
At the end of Kane Department Stores fiscal year on November 30, 2010, these accounts appeared in its adjusted trial balance. Freight-in .................. $ 5,060 Merchandise Inventory (beginning)...
Expected return - D 0 = $3.00, P 0 = $45, g = 2.0% Required Return - r rf = 2%, r m = = 10%, b= 0.9 With that background in mind, address the following questions. a) Is this stock in equilibrium?...
Milt Pearson, the president of Supergrip Corporation Limited (SCL), is concerned with the results achieved by SCL for the fiscal year ended May 31, 2010, and has called a meeting of the Executive...
The probability distribution, rounded to the nearest thousandth, for the number of ones obtained from rolling 12 dice is given in Table 10. This probability distribution has mean 2 and standard...
If X is a random variable, then the variance of X equals the variance of X - a for any number a. Redo below Exercise, using this result with a = 70.
The website LosAngelesGasPrices .com has current gasoline prices all over the United States. In the week of September 10, 2017, the following histogram shows the gas prices at 44 stations in the San...
In warranty causes of action, a. aspects of both contract and tort remedies are involved. b. a contract remedy is more appropriate when the defect in the product involves only the quality of the...
True Or False It is a valid defense to a strict liability claim that the plaintiff misused the product or used it in an abnormal fashion unless the misuse or abuse was reasonably foreseeable.
True Or False Before a class action can be certified, the party requesting certification must prove that adequate notice will be given to all potential members of the class.
True Or False Plaintiffs suing on the basis of strict liability can always recover for purely economic losses.
Why is defamation a complex tort?
Find the centroid of the region bounded by the given curves. y = 1/2x, y = x
Vince, Inc. has developed and patented a new laser disc reading device that will be marketed internationally. Which of the following factors should Vince consider in pricing the device? I. Quality of...
Referring to Exercise 6.1.30, find the variance for the number of boxes of Wheaties bought before getting half of the players pictures and the variance for the number of additional boxes needed to...
Let X be a random variable with range [1, 1] and let fX (x) be the density function of X. Find (X) and 2(X) if, for |x| < 1, (a) fX (x) = 1/2. (b) fX (x) = |x|. (c) fX (x) = 1 |x|. (d) fX (x) =...
Let X be a random variable with density function fX. Show, using elementary calculus, that the function Ф(a) = E((X a)2) takes its minimum value when a = (X), and in that case (a) = 2(X).
Using Regression to Calculate Fixed Cost, Calculate the Variable Rate, Construct a Cost Formula, and Determine Budgeted Cost Pizza Vesuvio makes specialty pizzas. Data for the past 8 months were...
Mackenzie Corp. is preparing the December 31, 2023, year-end financial statements. Following are selected unadjusted account balances: Estimated warranty liability $ 6,650 Income tax expense Mortgage...
Kubin Company's relevant range of production is 20,000 to 23,000 units. When it produces and sells 21,500 units, its average costs per unit are as follows: Average Cost per Unit Direct materials $...

Use the alternative formula for variance to calculate the variance of the random variable in Table 11.

Question:

Table 11 Pr(X = k) %3D -2 -1 .2 .2 1 .2 2 .2

Step by Step Answer:

EX 2 1 0 1 2...View the full answer

Finite Mathematics and Its Applications

Students also viewed these Statistics questions