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While writing a paper on making decisions in groups, Todd researched the number of members on a variety of committees. Number of members Number of committees 19 8 27 2 57 2 74 1 79 2 83 5 X is the number of members that a randomly chosen committee has. What is the expected value of X? Write your answer as a decimal.

Answer :

Step 1: Draw the expected value table

[tex]p(x)\text{ = }\frac{committee\text{ selected}}{\text{total number of committe}e}[/tex]

Expected value = sum of x.p(x)

Expected value = 48.35

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