Question

Calculate the following binomial probability by either using one of the binomial probability tables, software, or...

Calculate the following binomial probability by either using one of the binomial probability tables, software, or a calculator using the formula below. Round your answer to 3 decimal places. P(x | n, p ) = n! (n − x)! x! · px · qn − x where q = 1 − p

P(x < 4, n = 10, p = 0.4) =

If you can please explain to me how to do this besides just the answer?

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Answer #1

Here dbinom function is used to calculate probability in each point of x

And we need P(X<4) so we have to sum those upto 3

Hence sum() is used to calculate the required probability.

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