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.
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.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![39. A bag contains 2 white balls and 8 black balls. You pay $1 to pick 2 balls at random from the
bag. You win $5 if you do not pick a white ball. What is the variance of your winnings in this
game?
A) (4-2)² (56)+(-1-)²()
2
B) (5-) ()+(0-2) ² (3)
C) (5-2)² (56)+(-1-25) ² (3)
D) 0
E) None of the above.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fddb64601-e6df-406f-9312-85009d37cf91%2F4edc6e1f-5c3d-423f-aae7-9a2a99a7f52a%2Fis4c9ms_processed.jpeg&w=3840&q=75)
Transcribed Image Text:39. A bag contains 2 white balls and 8 black balls. You pay $1 to pick 2 balls at random from the
bag. You win $5 if you do not pick a white ball. What is the variance of your winnings in this
game?
A) (4-2)² (56)+(-1-)²()
2
B) (5-) ()+(0-2) ² (3)
C) (5-2)² (56)+(-1-25) ² (3)
D) 0
E) 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 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)
B)
306
51
122
305
D)
158
51
53
51
E) None of the above.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fddb64601-e6df-406f-9312-85009d37cf91%2F4edc6e1f-5c3d-423f-aae7-9a2a99a7f52a%2Fihih7yj_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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)
B)
306
51
122
305
D)
158
51
53
51
E) None of the above.
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