An experiment consists in sending 411') men and so women an invitation to the grand opening of your Museum of Fishing and Hunting. and recording the gender of the rst 25 people who accept the invitation, one by one. You consider your marketing strategy a success if a woman accepts your invitation. Which of the following formulas will you use to compute the expected value of this experiment? ECX) = $1131 +$2P2 + + warps; E=m1 +m2 f2 +-~+m-r E n n n _ m1+m2+---+:cn