SOLUTION: Food allergies affect an estimated 7% of children under age 5 in the US.
What is the probability that in a kindergarten class of 12 kids under age 5 at least one of them has food
Question 1142669: Food allergies affect an estimated 7% of children under age 5 in the US.
What is the probability that in a kindergarten class of 12 kids under age 5 at least one of them has food allergies?
Consider the complement probability that no one of 12 kids is affected.
It is = = 0.4186.
Then the probability under the question is the complement to it, i.e. 1 - 0.4186 = 0.5814 = 58.14%. ANSWER