Question 1201477
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P(8 correct) = {{{C(20,8)/2^20}}}
P(7 correct) = {{{C(20,7)/2^20}}}
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P(1 correct) = {{{C(20,1)/2^20}}}
P(0 correct) = {{{C(20,0)/2^20}}}<br>
P(8 or fewer correct): Add the above probabilities<br>