Refer to question (a). Find the mean of X and the variance covariance matrix of X, where X = (X1, X2, ..., Xn)'.
Refer to question (a). Find the mean of X and the variance covariance matrix of X, where X = (X1, X2, ..., Xn)'.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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Part B with hand written calculation and detailed explanations
![a. We discussed in class today the multinomial probability distribution and its joint moment generating function.
Here is a note on the multinomial distribution: A sequence of n independent experiments is performed and each
experiment can result in one of r possible outcomes with probabilities p1, P2, ..., Pr with - Pi = 1. Let X; be
the number of the n experiments that result in outcome i, i = 1, 2, ..., r. Then, P(X1 = x1, X2 = x2,..., X, =
n!nanulPï'p . p". The joint moment generating function of the multinomial distribution is given
by Mx(t) = (Pie1 + pzet2 +
probability distribution of X1.
... + pretr)". Use properties of joint moment generating functions to find the
b. Refer to question (a). Find the mean of X and the variance covariance matrix of X, where X =
: (X1, X2, ..., Xn)'.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe25f92a2-1c4d-41a3-af19-0cdf00d27604%2F0381ff8b-5688-4a2e-9c36-45c73127508d%2Fsw25m1i_processed.png&w=3840&q=75)
Transcribed Image Text:a. We discussed in class today the multinomial probability distribution and its joint moment generating function.
Here is a note on the multinomial distribution: A sequence of n independent experiments is performed and each
experiment can result in one of r possible outcomes with probabilities p1, P2, ..., Pr with - Pi = 1. Let X; be
the number of the n experiments that result in outcome i, i = 1, 2, ..., r. Then, P(X1 = x1, X2 = x2,..., X, =
n!nanulPï'p . p". The joint moment generating function of the multinomial distribution is given
by Mx(t) = (Pie1 + pzet2 +
probability distribution of X1.
... + pretr)". Use properties of joint moment generating functions to find the
b. Refer to question (a). Find the mean of X and the variance covariance matrix of X, where X =
: (X1, X2, ..., Xn)'.
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