Question

For a class assignment, Lisa wanted to study whether or not the color of a person's car correlates with the color of his or her hair. She spent an hour at a stoplight recording the color of each car that passed and the hair color of its driver, Red car Blue car Red hair 2 3 Blonde hair 7 4 What is the probability that a randomly selected driver has blonde hair or has a blue car? Simplify any fractions.

Answer 1

we get that the answer is:

`(11)/(16)+(7)/(16)-(4)/(16)=(14)/(16)=(7)/(8)`

so the answer is 7/8