This question: 1 pt 2 of 15 (0 complete) Question Help A binomial probability ex

Question

This question: 1 pt 2 of 15 (0 complete) Question Help A binomial probability experiment is conducted with the given parameters. Compute the the given parameters Compute the probablity of x successes in the n independent trials of the experiment probability of x successes in n-9, p-0.4, xs3 The probability of x s3 successes is (Round to four decimal places as needed ) ts ary ns Enter your answer in the answer box My Recent Achievements View All Achievements make sure you have what you need to 6045, 3,

Explanation / Answer

a)

P(X<=3)

= P(x=0) + P(x=1) + P(X=2) + P(X =3)

= 9C0 * 0.6ˆ9 + 9C1 * 0.4 * 0.6ˆ8 + 9C2 * 0.4ˆ2 * 0.6ˆ8 + 9C3 * 0.4ˆ3 * 0.6ˆ7

= 0.4826

b)

P(X=38)

= 40C38 * 0.99ˆ38 * 0.01ˆ2

= 0.0532

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