Homework Help: Probability and statistics

Posted by Rosmery on Tuesday, September 18, 2012 at 4:26pm.

There is an equally likely chance that a falling dart will land anywhere on the rug below. The following system is used to find the number of points the player wins. What is the expected value for the number of points
won?Black = 40
points
Gray = 20 points
White = 0 points

Probability and statistics - Reiny, Tuesday, September 18, 2012 at 5:31pm
3 colours, so prob each colour = 1/3

expected number of points
= (1/3)(40) + (1/3)(20) + (1/3)(0)
= 20

Answer this Question

Related Questions

statistics - a game of chance involves spinning a wheel that has 4 equally ...
math - can you help me find the probability to the question? A spinner like the ...
Statistics - statistics homework help A drinking game involves a 14 sided die. ...
Math - You have equally likely chance of choosing any number from 1 to 10. What ...
Statistics - Assume that male and female births are equally likely and that the ...
Physics - A dart is thrown horizontally with an initial speed of 11 m/s toward ...
probability - a circular dartboard of tedious 1 foot is at a distance of 20 feet...
physics - A dart is thrown horizontally with an initial speed of 6 m/s toward ...
Math - A children's game has a spinner that is equally likely to land on ...
Math - A children's game has a spinner that is equally likely to land on any...

For Further Reading

First Name:
School Subject:
Answer: