SOLUTION: A survey found that 40% of all teens get their spending money from part time jobs. In a group of 7 randomly selected teens, what is the probability 4 get their money from part time
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Question 506712: A survey found that 40% of all teens get their spending money from part time jobs. In a group of 7 randomly selected teens, what is the probability 4 get their money from part time job. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A survey found that 40% of all teens get their spending money from part time jobs. In a group of 7 randomly selected teens, what is the probability 4 get their money from part time job.
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Binomial Problem with n = 7 and p = 0.4
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P(x=4) = 7C4*0.4^4*0.6^3 = 0.1935
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Cheers,
Stan H.
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