# SOLUTION: 300 pennies are tossed into the air. Determine the probability of: 1) P(125 is less than or = X less than or = 170 tails) 2) If your co worker is willing to wager 10.00 on th

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: 300 pennies are tossed into the air. Determine the probability of: 1) P(125 is less than or = X less than or = 170 tails) 2) If your co worker is willing to wager 10.00 on th      Log On

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 Click here to see ALL problems on Probability-and-statistics Question 76132: 300 pennies are tossed into the air. Determine the probability of: 1) P(125 is less than or = X less than or = 170 tails) 2) If your co worker is willing to wager 10.00 on this, should I take the wager and why?Answer by stanbon(57967)   (Show Source): You can put this solution on YOUR website!300 pennies are tossed into the air. Determine the probability of: 1) P(125 is less than or = X less than or = 170 tails) z(125)=(125-300*(1/2))/sqrt(300(1/2)(1/2))= -2.88675 z(170)=(170-150)/sqrt(300*(1/4))=2.3094 --------- P(125<=x<=170)=P(-2.88675<=z<=2.3094)=0.98759 ================= 2) If your co worker is willing to wager 10.00 on this, should I take the wager and why? No, because the probability it will happen is almost 99% ========= Cheers, Stan H.