X is Binomial(n=5, p=0.4).
What is P(X = 2)?
- A
0.4000
- B
0.2304
- C
0.1600
- Dcheck_circle
0.3456
Explanation
P(X=2) = C(5,2)(0.4)^2(0.6)^3 = 10(0.16)(0.216) = 0.3456.
Parameters for a Binomial Distribution
AP Statistics· difficulty 3/5
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