SOLUTION: 3.Compute the probability that a randomly selected person does not have a birthday in January. Show the formula you have used.
In how many ways can 3 students (randomly select
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-> SOLUTION: 3.Compute the probability that a randomly selected person does not have a birthday in January. Show the formula you have used.
In how many ways can 3 students (randomly select
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Question 330236: 3.Compute the probability that a randomly selected person does not have a birthday in January. Show the formula you have used.
In how many ways can 3 students (randomly select from a 12-student class) be lined up. NOTE I can out with 220 Found 2 solutions by solver91311, stanbon:Answer by solver91311(24713) (Show Source):
There are 12 months in a year, so a person's birthday has to occur in one of them. There are 11 of those months that are not January, so at random, 11 times out of 12 you will be successful.
John
My calculator said it, I believe it, that settles it
You can put this solution on YOUR website! .Compute the probability that a randomly selected person does not have a birthday in January. Show the formula you have used.
P(not January) = 1 -P(born in Jan) 1-(31/365) = 0.92
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In how many ways can 3 students (randomly select from a 12-student class) be lined up.
12P3 = 12!/[12-3)!3!] = 12*11*10 = 1320 ways
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Cheers,
stan H.
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