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Question: 1 07 find the expected value and the variance of...

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1 0.7 Find the Expected value and the variance of X. E (X)=EXP(X) Var(x)-o? And -E(x?)-me a) Note: = px E(X2)-DFP(%) b) Consider the following information for a binomial N- number of trials or experiments-5 distribution: x-number of success -3 Probability of uccess-sp- 04 and probability of filur 1p-0.6 Find the probability of 3 successes out of 5 trials: Note P(x): Nex px (1-p)NX Note: Nex NI / x! (Naji
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