Problem 8.1.219
Find the two square roots for each of the following complex numbers. Write your answers in standard form.-25
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Week 8 Stat Notes Given X, a discrete random variable - Population mean μ=E[x]= ∑ x·P(X=x) all x - Population variance σ =E[(x-μ) ]=E[x ]-μ 2 2 For sums of independent random variables - The population mean of the sum is the sum of the means - Variance of the sum is the sum of the variances x=sum of two fair dice - μ=7 2 - σ = 35/6 x=3 - μ= 3.5 2 - σ = 35/12 - σ= 35/12 Bernoulli Distribution c - Let A be an event with the probability for A being p (P(A)=p) and q=1-p=P(A ) - x= {1 if A occurs, 0 if A occurs} -
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Chapter 8.4, Problem 8.1.219 is Solved
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