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Homework answers / question archive / Consider a binomial probability distribution with p = 0
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.)
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)= | (nCx)px(1−p)(n-x) = |
0.2508 |
