Question

If you draw a card with a value of four or less from a standard deck...

If you draw a card with a value of four or less from a standard deck of cards, I will pay you $173.  If not, you pay me $⁢48.  (Aces are considered the highest card in the deck.)

Step 2 of 2 :  

If you played this game 685 times how much would you expect to win or lose? Round your answer to two decimal places. Losses must be entered as negative.

Homework Answers

Answer #1

We will first find the probabilities of occurrances of the above mentioned events.

Let A denote the event of drawing a card with a value of four or less from a standard deck of cards Since there are 4 designs with three cards each satisfying the above criteria

Then

Now expected value of this game when played once =

Hence $3 is the expected value for playing the game once

Now playing this game 685 times are independent of each other. Expected value of playing this game 685 times =685*$3=$2055. This is the amount that is expected to win if the game is played 685 times

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