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06-08-2017
Mathematics

contestada

Using the binomial pmf, when p=.3 and n=12 what is p(x=5)? (answer to the third decimal place).

Respuesta :

06-08-2017

X~B(12, 0.3)
P(X = 5) = 12C5 * (0.3)⁵ * (0.7)⁷
= 792 * 0.00243 * 0.0823543
= 0.15849579....
= 0.158

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