SOLUTION: If you spin the spinner 100 times, how many times do you expected it to stop on a number less than 10? The spinner is equally divided into 12 parts. Thanks for the help.

Algebra ->  Probability-and-statistics -> SOLUTION: If you spin the spinner 100 times, how many times do you expected it to stop on a number less than 10? The spinner is equally divided into 12 parts. Thanks for the help.      Log On


   

Question 494474: If you spin the spinner 100 times, how many times do you expected it to stop on a number less than 10? The spinner is equally divided into 12 parts. Thanks for the help.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If you spin the spinner 100 times, how many times do you expected it to stop on a number less than 10? The spinner is equally divided into 12 parts. Thanks for the help.
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If the parts are numbered 1-12,
P(x < 10 on one spin) = 9/12 = 3/4
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Expected answer on 100 spins = (3/4)100 = 75
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cheers,
Stan H.