SOLUTION: 15% of the population is left-handed. Find probability of surveying n students and getting EXACTLY x lefties. (There are 80 students together, 6 of them were left handed) Can I

Algebra ->  Probability-and-statistics -> SOLUTION: 15% of the population is left-handed. Find probability of surveying n students and getting EXACTLY x lefties. (There are 80 students together, 6 of them were left handed) Can I      Log On


   

Question 1037784: 15% of the population is left-handed. Find probability of surveying n students and getting EXACTLY x lefties.
(There are 80 students together, 6 of them were left handed)
Can I put this into a Ti-84 calculator?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
It is n choose x *( 0.15)^x*(0.85)^(n-x)
Yes,
80C6--enter 80, then go to math PRB and 3, then put 6 after the C.
The rest is multiplication.
80C6 should be 300,500,200
The whole product should be 0.0205.