Find X(Z) if X(K)=(¹) K=1,3,5,7 This means that its value is an odd number X(Z) = EoX(K)Z-k Let K=2m+1
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- Repeat Example 5 when microphone A receives the sound 4 seconds before microphone B.If X is an exponential random variables with rate 1, then its distribution function is given by F(x) = 1 − e−x Show that x = − ln(1 − u).A simple random sample X1, …, Xn is drawn from a population, and the quantities ln X1, …, ln Xn are plotted on a normal probability plot. The points approximately follow a straight line. True or false: a) X1, …, Xn come from a population that is approximately lognormal. b) X1, …, Xn come from a population that is approximately normal. c) ln X1, …, ln Xn come from a population that is approximately lognormal. d) ln X1, …, ln Xn come from a population that is approximately normal.
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