Suppose that X follows a binomial distribution with a mean that equals 4. If the range of X is known to be 10, what is the probability that X is either 2 or 4 ?
Suppose that X follows a binomial distribution with a mean that equals 4. If the range of X is known to be 10, what is the probability that X is either 2 or 4 ?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.2: Introduction To Probability
Problem 66E
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Suppose that X follows a binomial distribution with a mean that equals 4. If the
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Step 3
Now Here Required Probability=P(X=2 OR X=4) = P(X=2) + P(X=4)
Because P(X=2) And P(X=4 ) are mutually exclusive
Now
P(X=2)=1020.420.68=0.1209
And
P(X=3)= 1040.440.66=0.2508
Now
P(X=2 OR 4) = P(X=2) + P(X=4) = 0.1209 + 0.2508 = 0.3717ANS
I don't understand your step 3. what is 1040.440.66? and hơ you come up to the answer?
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