Prob(blue eyes) = .2
Prob(not blue eyes)= .8
prob( at least 4 of 5 have blue eyes)
= prob(exactly 4 of 5 have blue eyes) + prob(exactly 5 of 5 have blue eyes)
= C(5,4)(.2)^4 (.8) + C(5,5)(.2)^5
= 5(.0016)(.8) + 1(.00032)
= .000672
If 20% of population have blue eyes, and 5 people are selected at random, what is the probability that at least 4 of them have blue eyes?
HOW DO I FIND THE SOLUTION TO THIS PROBLEM?
3 answers
In the United States , 60% of the population have brown eyes.
In the United States , 60% of the population have brown eyes.
If 37 people were randomly selected. Find the probability that exactly 22 of them will have brown eyes.
If 37 people were randomly selected. Find the probability that exactly 22 of them will have brown eyes.