Question

the faces are both heads, you win the condo not match one shows a head, the other tal you lose You and a friend play a game where you cach toss a balanced con. the upper faces on the coins are both as you win 2 (win (-2) Calculate the mean and variance of your winning on a single play of the game. Note that -$ How much should you pay to play this game if your net winning the difference between We payoff and cost of playing, are to have mean? Need Help? Leath e r Submit Answer Practice Another version

Answer 1

sample space of tassing two coins s. SHH, HT ,TH,TT? 1918) = 4 If upper faces are both fails (TT) amount nein : 82 of upper faces are both heads (HH), amount win : $4 ef upper faces shows different line- HT, TH) , amount loose ; $ 2 son E (4)Ey.pdzy) 2: P117) + u P(HH) - 2 P 1447, THI) ( Hegative sign = (2-4)+(4+) -12 + 4) *** "Looses) due to money E(M)= TI

1 (92) : 3* - Piт) - 1932 рет) - b” (нт, тю). 2. vv) = EN') - Psy7* - - е у” Зоч - 171 su — : 183 БЧ 1х3 59