Math 302-quiz-2 question and answers set 1

S - The Marketplace to Buy and Sell your Study Material Distribution of this document is illegal Part 1 of 6 - 5.0/ 5.0 Points Question 1 of 20 1.0/ 1.0 Points A gumball machine contains 300 grape flavored balls, 400 cherry flavored balls, and 500 lemon flavored balls. What is the probability of getting 1 grape ball, 1 cherry ball, and 1 lemon ball if each ball was removed and then replaced before choosing the next from the machine? A.0.0264 B.0.0531 C.0.0347 D.0.0482 Answer Key: C Question 2 of 20 1.0/ 1.0 Points The number of ways to choose two representatives from a committee of 13 people is A.156 B.78 C.13! D.55 Answer Key: B Question 3 of 20 1.0/ 1.0 Points In a recent study, the following data were obtained in response to the question, “Do you favor recycling in your neighborhood?” Yes No No Opinion Males 25 15 10 Females 30 10 10 This study source was downloaded by from CourseH on :00:12 GMT -05:00 S - The Marketplace to Buy and Sell your Study Material Distribution of this document is illegal If a person is picked at random, what is the probability that the person is either male or has no opinion regarding recycling? A.3/5 B.3/10 C.4/5 D.7/10 Answer Key: A Question 4 of 20 1.0/ 1.0 Points If two events are mutually exclusive, what is the probability that both occur at the same time? A.0.50 B.Cannot be determined from the information given. C.0.00 D.1.00 Answer Key: C Question 5 of 20 1.0/ 1.0 Points If the probability that it will rain tomorrow is 0.38, then the probability that it will not rain tomorrow is: A.0.38 B.-0.38 C.0.62 D.1.38 Answer Key: C This study source was downloaded by from CourseH on :00:12 GMT -05:00 S - The Marketplace to Buy and Sell your Study Material Distribution of this document is illegal Part 2 of 6 - 5.0/ 5.0 Points Question 6 of 20 1.0/ 1.0 Points The following data were obtained from a survey of college students. The variable X represents the number of non- assigned books read during the past six months. x 0 1 2 3 4 5 P (X=x) 0.20 0.25 0.20 0.15 0.10 0.10 Find P( X 3) A.0.20 B.0.85 C.0.80 D.0.15 Answer Key: C Question 7 of 20 1.0/ 1.0 Points If a student randomly guesses at 20 multiple-choice questions, find the probability that the student gets exactly four correct. Each question has four possible choices. A.0.19 B.0.17 C.0.08 D.0.23 Answer Key: A Question 8 of 20 1.0/ 1.0 Points This study source was downloaded by from CourseH on :00:12 GMT -05:00