A dairy operation in Pinal county has 80 Holstein cows and 20 Jersey cows. One is selected at random to test for the presence of a disease. What is the probability that it is a Jersey cow?
Given that
Holstein cows = 80
Jersey cows = 20
Total = 100
Solution :
One is selected at random
so,
P ( Jersey cow ) = 20 / 100
= 0.20
Answer : P ( Jersey cow ) = 0.20
A dairy operation in Pinal county has 80 Holstein cows and 20 Jersey cows. One is...