Homework Sourse70 of all people have brown eyes What is the probability of
| 70% of all people have brown eyes. What is the probability of randomly selecting 3 people and none of them have brown eyes? |
| 70% of all people have brown eyes. What is the probability of randomly selecting 3 people and none of them have brown eyes? |
Solution
here p=0.7,q=1-p=0.3,n=3
P(X=x)=nCxpxqn-x
now P(X=0)=(0.3)3=0.027
required answer is 0.027
