Friday

October 24, 2014

October 24, 2014

Posted by **Claudia** on Monday, January 16, 2012 at 6:03pm.

tosses, she will win $2. The game costs $5 to play. What is her mean expectation?

- Math -
**MathMate**, Monday, January 16, 2012 at 7:53pmAssuming Mary gets nothing from the other outcomes.

For 3 tosses,

outcome probability(P) return(E)

HHH 1/8 $16

HHT 1/8 $2

HTH 1/8 $2

THH 1/8 $2

Mean expectation

= Σ PE

= 16/8 + 3*2/8

= 2+6/8

= 2.75

**Answer this Question**

**Related Questions**

math of investment - Suppose the probability of a coin coming up heads is 2/5. ...

Math - Luis has a coin that is weighted so that the probability that Heads ...

math - A game is played by flipping three coins. If all three coins lands heads ...

Math - A game is played flipping three coins. If all three coins land heads up ...

math - a fair coin is tossed in the air 4 times. if the coin lands heads up the ...

Word Problem. - A game is played by flipping three coins. If all three coins ...

Probability - Consider 10 independent tosses of a biased coin with the ...

math - In a game, a player tosses a coin 4 times. If the player gets 3 or 4 ...

common fraction - Sara tossed a fair coin five times, and Kaleb tossed a fair ...

Probability - A balanced coin is tossed 8 times. What is the probability of ...