The following is the probability distribution for calls arrived at a switchboard of one of the leading companies: No. Calls (X) P(X) 0.19 0.32 12 0.22 16 What is the Calls Variance ? (Write your answer to the nearest 2 decimals)

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Q: 1 (4) s What can be said about the 2 matrices based on your result (d)? -0.5 -1.5

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Q: a) Briefly explain in your own words with clear examples what you understand by binomial and Poisson…

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