1 answer

(). (a) Find cov(W, X) fr W and % delin(xl in I'roblemi l (b) The joint...

Question:

(). (a) Find cov(W, X) fr W and % delin(xl in Iroblemi l (b) The joint density of random variables X and Y is 0, elsewhere.① Two cards are randomly drawn without replacement) from an ordinary deck of 52 play- ing cards. Let W be the number of aces obtained in the first draw, and Z be the number of pairs obtained in the two draws. a) Find the joint probability mass function of W and Z b) Are W and Z independent? Please justify your answer

(). (a) Find cov(W, X) fr W and % delin(xl in I'roblemi l (b) The joint density of random variables X and Y is 0, elsewhere.
① Two cards are randomly drawn without replacement) from an ordinary deck of 52 play- ing cards. Let W be the number of aces obtained in the first draw, and Z be the number of pairs obtained in the two draws. a) Find the joint probability mass function of W and Z b) Are W and Z independent? Please justify your answer

Answers

.188 221 Since there 4 aces and {W = 0,2 = 0} means in two draws there are no ace (1) (a) P(W = 0.7-0) 48) (4 221 Since there

.

Similar Solved Questions

1 answer
Ordinary Differential Equations y''=×/(x^2-1)*y'
Ordinary Differential Equations y''=×/(x^2-1)*y'...
1 answer
QUESTION ar Solve д aF at at (x, t) = (1,0) for the given vector function,...
QUESTION ar Solve д aF at at (x, t) = (1,0) for the given vector function, F(x, t) = 3ert i + (1 - t) j-zsin(t) k....
1 answer
What is the purpose of defense mechanisms used to cope with stress? 10 Elevate self-esteem 2...
What is the purpose of defense mechanisms used to cope with stress? 10 Elevate self-esteem 2 O Achieve self-actualization 3 O Meet basic physiologic needs 4 O Protect from increasing anxiety...
1 answer
DUSULI. Muges Voting Rights Act of 1965-includes "pre-clearance" and the status of the law today as...
DUSULI. Muges Voting Rights Act of 1965-includes "pre-clearance" and the status of the law today as a result of Shelby v. Holder Sample questions: 1. Why was the Civil Rights Act of 1875 declared unconstitutional in the Civil Rights Cases? A. This act attempted to limit private behavior, but...
1 answer
Would it be unusual for a household to have 3 dogs? Explain your reasoning. Dogs 0 1 2 3 4 5 Household 1491 421 167...
Would it be unusual for a household to have 3 dogs? Explain your reasoning. Dogs 0 1 2 3 4 5 Household 1491 421 167 44 25 14 Choose answer below: A. It would be unusual because the probability of having 3 dogs is less than 0.05. B. It would not be unusual because 44 people own 3 dogs in the town. C...
1 answer
Question 20 7.33 pts Identify the major product resulting from the following reaction. 1) BH3-THE 2)...
Question 20 7.33 pts Identify the major product resulting from the following reaction. 1) BH3-THE 2) CH,CO,D CH3 c) D D сн. CH CH3 CH3 ОА OB oc OD Question 21 7.33 pts Which of the following compounds would you expect to be the MAJOR product under the reaction conditions show...
1 answer
Draw the expected major product(s) or required reagent(s) for each of the following reactions. 8. X...
Draw the expected major product(s) or required reagent(s) for each of the following reactions. 8. X NHz. SOCI2 NH2 ? ОН 9. کنم CH3OH H2SO4 ? (two products) 10. ملی ?...
1 answer
Solvefor y: x2 = a2 + b2 − 2aby
Solvefor y: x2 = a2 + b2 − 2aby...
1 answer
For this problem, carry at least four digits after the decimal in your calculations. Answers may...
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. The National Council of Small Businesses is interested in the proportion of small businesses that declared Chapter 11 bankruptcy last year. Since there are so many small b...
1 answer
How do you find the slope that is perpendicular to the line #-9x = -6y + 18#?
How do you find the slope that is perpendicular to the line #-9x = -6y + 18#?...
1 answer
Question 4 Test company supplies furniture to three local retailers, Hanson, Penner, and Yorkville Inc. The...
Question 4 Test company supplies furniture to three local retailers, Hanson, Penner, and Yorkville Inc. The following exhibit presents representative revenues and costs of Test by customers for the year 2019. Additional information on Test's costs for different activities at various levels of th...
1 answer
Please answer all parts thank you Homework la Begin Date: 1/28/2019 12:01:00 AM+ Due Date: 2/5/2019...
Please answer all parts thank you Homework la Begin Date: 1/28/2019 12:01:00 AM+ Due Date: 2/5/2019 11:59:00 PM End Date: 2/8/2019 11:59:00 PM (10%) Problem 3: A protozoan has 4.3 x 1016 protons and a net charge of 5.7 pC. 50% Part (a) How many fewer electrons are there than protons? Grade 5 sin...
1 answer
Required information The following information applies to the questions displayed below) Suzuki Supply reports the following...
Required information The following information applies to the questions displayed below) Suzuki Supply reports the following amounts at the end of 2021 before adjustment) Credit Sales for 2021 Accounts Receivable, December 31, 2021 Allowance for Uncollectible Accounts, December 31, 2021 3240,000 35,...
1 answer
Multidrug-resistant Organism (MDrO) in a transitional Care Unit—Case for Chapters 7 and 12
Multidrug-resistant Organism (MDrO) in a transitional Care Unit—Case for Chapters 7 and 12...
1 answer
How do acid base indicators change color?
How do acid base indicators change color?...
1 answer
Write the equation of the line with slope 4 and y-intercept (0,-5)
Write the equation of the line with slope 4 and y-intercept (0,-5). Just double checking my work b=(-5)-4(0)= -5 y = -5...
1 answer
When inventory is decreasing, what will happen to the following below. Answer with 'highest, middle &...
When inventory is decreasing, what will happen to the following below. Answer with 'highest, middle & lowest' for FIFO, Average weighted & LIFO inventory approaches FIFO Weighted Average LIFO COGS Inventories...