Consider a binomial probability distribution with p = 0

Accounting Mar 19, 2021

Consider a binomial probability distribution with p = 0.4 and n = 9. What is the probability of the following?
a) exactly three successes b) less than three successes c) seven or more successes
a) P(x = 3) = (Round to four decimal places as needed.)

Expert Solution

a) Computation of Probability of Exactly Three Successes P(x=3):

P(x=3) = BINOM.DIST(3,9,0.4,FALSE)

Probability = 0.2508

So, the Probability of Exactly Three Successes is 0.2508

Or we can calculate it as follows:

P(X=3)=

(_nC_x)p^x(1−p)^(n-x) =

0.2508

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