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Sophie [7]
3 years ago
10

A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n indepe

ndent trials of the experiment.
n = 15, p = 0.3, X = 3
P(3)=0
SAT
1 answer:
babymother [125]3 years ago
8 0

Answer:

P(x = 3) = 0.1700

Explanation:

Given

n = 15

p = 0.3

Required

Determine P(x = 3)

This is calculated using:

P(x) = ^nC_xp^x(1-p)^{n-x}

So, we have:

P(x = 3) = ^{15}C_3*0.3^3*(1-0.3)^{15-3}

P(x = 3) = ^{15}C_3*0.3^3*(1-0.3)^{12}

P(x = 3) = 455 *0.027*(0.7)^{12}

P(x = 3) = 455 *0.027*0.0138412872

P(x = 3) = 0.17004021325

P(x = 3) = 0.1700

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