SOLUTION: 1.you have a test with 5 questions what is the probability you get all 5 right??1/5*1/5*1/5*1/5*1/5= 1/3125 or 32%? 2.at least 1 wrong??= 1-.00032=99968? 3.multiple choice test w

Algebra ->  Probability-and-statistics -> SOLUTION: 1.you have a test with 5 questions what is the probability you get all 5 right??1/5*1/5*1/5*1/5*1/5= 1/3125 or 32%? 2.at least 1 wrong??= 1-.00032=99968? 3.multiple choice test w      Log On


   

Question 323842: 1.you have a test with 5 questions what is the probability you get all 5 right??1/5*1/5*1/5*1/5*1/5= 1/3125 or 32%?
2.at least 1 wrong??= 1-.00032=99968?
3.multiple choice test with four answers whats the probabily you answer it correctly? =1/4 or or 25%
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
1.you have a test with 5 questions what is the probability you get all 5 right??1/5*1/5*1/5*1/5*1/5= 1/3125 or 0.00032
Note that is not 32%
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2.at least 1 wrong??= 1-.00032=99968?
OK
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3.multiple choice test with four answers whats the probabily you answer it correctly?
p(correct) = 1/4
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Cheers,
Stan H.