SOLUTION: In a recent study it was found that 90% of households own large screen TVs. A simple random sample of 12 households is drawn. Let the number of households with large screen TV.

Algebra ->  Probability-and-statistics -> SOLUTION: In a recent study it was found that 90% of households own large screen TVs. A simple random sample of 12 households is drawn. Let the number of households with large screen TV.       Log On


   



Question 1141291: In a recent study it was found that 90% of households own large screen TVs. A simple random sample of 12 households is drawn. Let the number of households with large screen TV.

What is the probability that 9 households will have large screen TV? Give your answer to 3 decimal places.

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
this would be 12C9*0.9^9*0.1^3=0.0852 or 0.085