SOLUTION: a NEW CAR SALESMEN KNOWS THAT HE SELLS CARS TO ONE CUSTOMER OUT OF TEN WHO ENTERS THE SHOW ROOM.WHAT IS THE PROBABILITY THAT HE WILL SELL A CAR TO EXACTLY 2 OF THE NEXT 3 CUSTOMERS

Question 276476: a NEW CAR SALESMEN KNOWS THAT HE SELLS CARS TO ONE CUSTOMER OUT OF TEN WHO ENTERS THE SHOW ROOM.WHAT IS THE PROBABILITY THAT HE WILL SELL A CAR TO EXACTLY 2 OF THE NEXT 3 CUSTOMERS.IS IT:
1)0.027
2)0.973
3)0.000
4)0.090
5)0.901
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a NEW CAR SALESMEN KNOWS THAT HE SELLS CARS TO ONE CUSTOMER OUT OF TEN WHO ENTERS THE SHOW ROOM.WHAT IS THE PROBABILITY THAT HE WILL SELL A CAR TO EXACTLY 2 OF THE NEXT 3 CUSTOMERS.IS IT:
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Binomial Problem with n=3 ; p = 0.1 ; x = 2
P(x=2) = 3C2(0.1)^2*(0.9) = 3*0.01*0.9 = 0.027
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Cheers,
Stan H.
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1)0.027
2)0.973
3)0.000
4)0.090
5)0.901

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