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Find the Mean of the Given Probability Distribution xP(x)00.129610.345620.345630.153640.0256\begin{array}{c|r}\mathrm{x} & \mathrm{P}(\mathrm{x}) \\\hline 0 & 0.1296 \\1 & 0.3456 \\2 & 0.3456 \\3 & 0.1536 \\4 & 0.0256\end{array}

Question 61

Multiple Choice

Find the mean of the given probability distribution.
-In a certain town, 40% of adults have a college degree. The accompanying table describes the probability distribution for the number of adults (among 4 randomly selected adults) who have a college degree.

xP(x) 00.129610.345620.345630.153640.0256\begin{array}{c|r}\mathrm{x} & \mathrm{P}(\mathrm{x}) \\\hline 0 & 0.1296 \\1 & 0.3456 \\2 & 0.3456 \\3 & 0.1536 \\4 & 0.0256\end{array}


A) μ=2.00\mu = 2.00
B) μ=1.50\mu = 1.50
C) μ=1.60\mu = 1.60
D) μ=1.73\mu = 1.73

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