Make sure to show the steps, please. Thank you!
Solution:
x | P(x) | x * P(x) | x2 * P(x) |
0 | 0.1 | 0 | 0 |
1 | 0.25 | 0.25 | 0.25 |
2 | 0.3 | 0.6 | 1.2 |
3 | 0.35 | 1.05 | 3.15 |
Sum | 1 | 1.9 | 4.6 |
Mean =
X * P(X)
= 1.9
Standard deviation =
=X
2 * P(X) -
2
= 4.6
- (1.9)2 = 0.99
Standard deviation =
= 0.99
Make sure to show the steps, please. Thank you! 2. Find the standard deviation of this...
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