Statistics test 3 Questions & Answers

Statistics test 3 Questions & Answers d) Determine the probability that a randomly selected multiple birth for women 15-54 years old involved a mother who was at least 40 years old. Interpret this result. Is it unusual? Find the probability that a randomly selected multiple birth for women 15-54 years old involved a mother who was at least 40 years old. - ANSWER: use disjoint 1) Is the following a probability model? 2) What do we call the outcome "brown"? red- 0.2 green- 0.2 blue- 0.1 brown- 0 yellow- 0.3 orange- 0.2 - ANSWER: 1) Yes, because the probabilities sum to 1 and they are all greater than or equal to 0 and less than or equal to 1. 2) impossible event (bc equal to zero) A bag of 100 tulip bulbs purchased from a nursery contains 40 red tulip bulbs, 30 yellow tulip bulbs, and 30 purple tulip bulbs. (a) What is the probability that a randomly selected tulip bulb is red? (b)