Question 1180976
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Expected value = {{{1*(1/9)}}} + {{{2*(1/9)}}} + {{{3*(1/9)}}} + . . . + {{{8(1/9)}}} + {{{9*(1/9)}}} = {{{(1 + 2 + 3 + ellipsis + 9)/9}}} = {{{(1/9)*((9*10)/2)}}} = {{{45/9}}} = 5.    <U>ANSWER</U>
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Solved, answered and carefully explained.