Question

A ping pong ball is drawn at random from an urn consisting of balls numbered 4 through 9. A player wins $0.5 if the number on the ball is odd and loses $0.5 if the number is even.

Let x be the amount of money a player will win/lose when playing this game, where x is negative when the player loses money.

(a) Construct the probability table for this game. Round your answers to two decimal places.

Outocme	x	Probability P(x)

(b) What is the expected value of player's winnings? Round to the nearest hundreth.



(c) Interpret the meaning of the expected value in the context of this problem.



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Answer 1

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