A person is to walk into a casino and play a certain game. The chance the person will win the game is 0.38. Once they play the first game, win or lose, they are to play the game 3 more times for a total of 4 games. A random variable X is to count how many of the 4 games the gambler wins. X 0 1 2 3 4 P(X=x) 0.1478 0.3623 0.3330 0.1361 0.0209 (a) From the distribution, what can you say about the distribution of X? The distribution of X is a. symmetrical b. skewed to the right c. skewed to the left , with an mean of 1.52 games won and a standard deviation of ______ games won. (Enter your answers to two decimals.)
A person is to walk into a casino and play a certain game. The chance the person will win the game is 0.38. Once they play the first game, win or lose, they are to play the game 3 more times for a total of 4 games. A random variable X is to count how many of the 4 games the gambler wins. X 0 1 2 3 4 P(X=x) 0.1478 0.3623 0.3330 0.1361 0.0209 (a) From the distribution, what can you say about the distribution of X? The distribution of X is a. symmetrical b. skewed to the right c. skewed to the left , with an mean of 1.52 games won and a standard deviation of ______ games won. (Enter your answers to two decimals.)
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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A person is to walk into a casino and play a certain game. The chance the person will win the game is 0.38. Once they play the first game, win or lose, they are to play the game 3 more times for a total of 4 games.
A random variable X is to count how many of the 4 games the gambler wins.
| X | 0 | 1 | 2 | 3 | 4 |
| P(X=x) |
0.1478
|
0.3623
|
0.3330 |
0.1361
|
0.0209
|
(a) From the distribution, what can you say about the distribution of X?
The distribution of X is
a. symmetrical
b. skewed to the right
c. skewed to the left
, with an mean of 1.52 games won and a standard deviation of ______ games won. (Enter your answers to two decimals.)
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