C. LET US PRACTICEActivity 1: Determine the mean or expected value of each Random Variable.1)341220P(s)0.10.50.20.22)10P(t)50%12%38%of ongh random variahle20

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Answered: -. LET US PRACTICE Activity 1:…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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What's More A. Determine the mean or expected value of each Random Variable. Write your answer in your answer sheets. 20 0.2 1. 3. P(S) 4. 0.5 12 0.2 0.1 20 P(C) 10 12% 2. 50% 38% 1/12 1/2 1/6 1/10 1/3 1/5 1/2 1/5 3. P(w)
very morning, Laura practices shooting basketball free throws. She doesn’t shoot a fixed amount, instead she keeps shooting free throws until she makes 12. Suppose Laura is an 82% free throw shooter. Let X be how many free throws Laura will miss tomorrow morning. Then X has a negative binomial distribution. What is a trial? What is a success? How many successes are required? r = What is the success probability? p =
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WFC Average St. Dev. Min 0.65% 10.26% -28.99% Мах 27.51% 25. Based on the table above, what is the probability of losing -7% or more for WFC? A. 0.07 B. 0.14 C. 0,23 D. 0.29 %3D E. 0.31 26. If you have $200,000 invested in WFC, what is the dollar value of VaR of losing -7% or more? A. $14,000 B. $28,000 C. $46,000 D. $58,000 E. $62,000 27. Based on the table above, there is 30% chance that your losses for WFC will be greater than A. -0,30% B. 2.15% C. 4.73% D. 7% E. -14% 28. Based on the table above, there is 30% chance that your dollar losses for WFC will be greater than if you have $200,000 invested in ti? A. -S600 B. $4,300 C. -$9,460 D. -$14,000 E. S28,000
Do bonds reduce the overall risk of an investment portfolio? Let x be a random variable representing annual percent return for the Vanguard Total Stock Index (all Stocks). Let y be a random variable representing annual return for the Vanguard Balanced Index (60% stock and 40% bond). For the past several years, assume the following data. Compute 2 y. 13 36 23 31 25 26 -13 -13 -23 -2 26 16 24 17 16 -2 -3 -8 92 O 100 O 94 O 102 O 96 co
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Two six-sided dice are rolled and the random variable x is the sum of the values produced by each die. a. List the possible outcomes for the variable x, determine the probability for each outcome, and calculate the expected value of x. b. Calculate the variance of x. c. Calculate the standard deviation of x. a. List the possible outcomes for the variable x. Choose the correct answer below. O A. 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 О В. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 ОС. 1,2, 3, 4, 5, 6 O D. 3, 4, 5, 6, 7, 8, 9, 10, 11 Determine the probability for each outcome. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or fractions.) O A. P(1) =. P(2) = P(3) = P(4) = P(5) = P(6) = О В. Р/2)- P(3) = , P(4) = , P(5) = P(6) = P(7) = P(8) = P(9) = , P(10)= P(11) = P(12) = %3D O C. P(3) = P(4) = , P(5) = , P(6) = ,P(7) = P(8) = P(9) = P(10) = P(11) = O D. P(1)= , P(2) = , P(3) = P(4) = , P(5) = P(6) = P(7) = P(8) = P(9) = P(10) = P(11) = P(12)…
Part 2 Let x be a random variable that represents the batting average of a professional baseball player. Let y be a random variable that represents the percentage of strikeouts of a professional baseball player. A random sample of n = 6 professional baseball players gave the following information. x 0.338 0.306 0.340 0.248 0.367 0.269 y 3.5 7.7 4.0 8.6 3.1 11.1 Σx = 1.868, Σy = 38, Σx2 = 0.592034, Σy2 = 294.32, Σxy = 11.1556, and r ≈ -0.901. Se ≈ 1.5890, a ≈ 26.420, and b ≈ -64.517. (a) Find the predicted percentage of strikeouts for a player with an x = 0.328 batting average. (Use 2 decimal places.) %(b) Find a 90% confidence interval for y when x = 0.328. (Use 2 decimal places.) lower limit % upper limit %
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II. Supply the table with the corresponding random variable and/or the possible values of the random variable for each experiment. Possible values (x) for the Experiment Random Variable (X) Random Variable Number of customers who 1. Contacting 10 customers 0, 1, 2, 3, 4,5 placed a complaint 2. Inspection of shipment of 100 laptops 3. Filling a bottle of water (maximum of 500 mL) 0, 1,2, .,99, 100 0sxs 500 The temperature when the desired reaction takes place (minimum of 40°C; maximum of 90* C) 4. Testing of new chemical process 5. Selling an automobile O if male; 1 if female

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-. LET US PRACTICE Activity 1: Determine the mean or expected value of each Random Variable. 1) 3. 4 12 20 P(s) 0.1 0.5 0.2 0.2 2) 10 20 P(t) 50% 12% 38%