In a video game, a player has a 80% probability of winning 1000 points if he attacks a certain monster. There is a 20% probability that he will lose 25,000 points. What is the expected value of points earned? Should the player attack the monster? Explain.

Question

anonymous · Answer

Yes he should attack the monster

highschoolmom2010 · Answer

why....

anonymous · Answer

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anonymous · Answer

Yes, life is about adventurism.

cwrw238 · Answer

expected value = 0.8*1000 - 0.2*25,000

i thonk!!

cwrw238 · Answer

think! lol

cwrw238 · Answer

i used decimal fractions not percents

highschoolmom2010 · Answer

800 points if they win 
-5000 if they loose 
800-5000=-4200 @cwrw238 like that?

cwrw238 · Answer

yes i believe so 
though statistics is not my strong point

cwrw238 · Answer

so if thats correct the player should not attack the monster

highschoolmom2010 · Answer

my book says -4200 so hooray it was right :)

anonymous · Answer

To think this stuff can come in handy on mine-craft.

cwrw238 · Answer

yes….