Question 1159325
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P(5 boys) = {{{C(7,5)/2^7 = 21/128}}}
P(6 boys) = {{{C(7,6)/2^7 = 7/128}}}
P(7 boys) = {{{C(7,7)/2^7 = 1/128}}}<br>
P(more than 4 boys) = {{{21/128+7/128+1/128 = 29/128}}}<br>
Convert to decimal or percent if required....<br>