Let X be a binomial random variable with p=0.3 and

Hazel Barnes

Hazel Barnes

Answered question

2022-02-12

Let X be a binomial random variable with p=0.3 and n=15
What is P(X=5)?

Answer & Explanation

regresavo552

regresavo552

Beginner2022-02-13Added 14 answers

Step 1
P(X=5), n=15 p=0.3
XBinomial(n=15, p=0.3)
P(X=5)=(nx)px(1p)nx
=(155)(0.3)5(10.3)155
=3003×(0.3)5(0.7)10
=0.20613=0.2961300.206
P(X=5)=0.206

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