# Question 1 Question 3 In a sample of 100 auto parts, 12 are defective. If three parts are selected without replacement, find the probability that all three parts are defective.

Question 1 Question 3 In a sample of 100 auto parts, 12 are defective. If three parts are selected without replacement, find the probability that all three parts are defective. Find answer in reduced fraction form. Question 4 The table shows the number of male and female students enrolled in nursing at a university. A student is selected at random. Find the probability that the student is a male or a nursing student. Question 5 The table shows the results of a survey in which 90 dog owners were asked how much they have spent in the last year for their dog’s health care, and whether their dogs were purebred or mixed breeds. Given that a randomly selected dog owner spent less than $100, the probability that the dog was a mixed breed is . Write answer rounded to three decimal places. Write your answer here as a percent. Question 9 You select a card from a standard deck of 52 playing cards. Find the probability that the card is a 4 or an ace. Write your answer here in reduced fraction form. For example: write 3/4 for the fraction three fourths. Are these two events mutually exclusive? Answer yes or no.