Posted by **Anonymous** on Saturday, March 20, 2010 at 4:07pm.

Suppose the probability of a coin coming up heads is 2/5. The coin is tossed 4 times (the tosses are independent), and Jane will win $5 for each head. If all 4 tosses are heads, she will get $100 extra. She never loses money.

a)what is the probability that Jane will win at least $5?

b)What is the expected value of her winning?

## Answer this Question

## Related Questions

- Math - 10. A coin is loaded so that the probability of heads is 0.55 and the ...
- Math - Luis has a coin that is weighted so that the probability that Heads ...
- Math - A coin is tossed three times. If heads appears on all 3 tosses, Mary will...
- math - In a game, a player tosses a coin 4 times. If the player gets 3 or 4 ...
- math - a fair coin is tossed in the air 4 times. if the coin lands heads up the ...
- probability - Tossing a pair of coins We have a white coin, for which P(Heads)=0...
- Math - Victoria tossed a coin 30 times and got 17 heads. What is the ratio of ...
- Finite Math - A coin is loaded, so that the probability of a head occuring on a ...
- Math - "The probability of getting heads on a biased coin is 1/3. Sammy tosses ...
- stat probability - A coin is tossed 4 times. Find the probability that the 4th ...

More Related Questions