39. A bag contains 2 white balls and 8 black balls. You pay $1 to pick 2 balls at random from thebag. You win $5 if you do not pick a white ball. What is the variance of your winnings in thisgame?A) (4-2)² (56)+(-1-)²()2B) (5-) ()+(0-2) ² (3)C) (5-2)² (56)+(-1-25) ² (3)D) 0E) None of the above. 38. A bag contains 5 white balls and 13 black balls. You pay $2 to pick 2 balls at random from thebag. You win $10 if you do not pick a white ball. What is the expected value of your winnings inthis game?A)B)30651122305D)158515351E) None of the above.

Since you have asked multiple questions, we will solve the first question for you. If you want any…

Answered: 38. A bag contains 5 white balls and 13…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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TF.2
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40 Jennie's teacher told her to select two problems from a list of two C-level problems, five B-level problems, and one A-level problem. If she selected at random, what is the probability that she se- lected two B-level problems?
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38. A bag contains 5 white balls and 13 black balls. You pay $2 to pick 2 balls at random from the bag. You win $10 if you do not pick a white ball. What is the expected value of your winnings in this game? A) 300 51 B) 122 305 D) 53 51 E) None of the above.