Question

The following table shows the results of a survey in with 90 dog owners were asked how much they have spent in the last year for their dog's health care and whether the dogs were purebred or mixed breeds.

	Purebred	mixed breed	total
less than $100	19	21	40
$100 or more	35	15	50
total	54	36	90

a.) find the probability that $100 or more was spent on a randomly selected dog's health care in the last year__________

b.) given that a randomly selected dog owner spent less than $100, find the probability that the dog was a mixed breed.________

c.) find the probability that a randomly selected dog owner spent $100 or more on health care and the dog was a mixed breed.__________

d.) are the events "spending $100 or more on health. care" and "having a mixed breed dog" mutually exclusive?________

Answer 1