Wgu C955 Module 7 Probability Exam. Questions With 100% Correct And Verified Answers.

50. Roger has two blue ties, one red tie, two blue coats, and two orange coats. What is the probability that he wears either a blue tie or a blue coat? a) 2/3 b) 5/6 c) 1/2 d) 1/3 51. Two events that cannot happen simultaneously in the same experiment are called disjoint. a) True b) False 52. At a restaurant for lunch, there are 4 sandwich choices, 6 side choices, and 8 drink choices. What is the size of the sample space if one choice is selected from each? a) 24 b) 32 c) 164 d) 192 53. The following diagram shows the color shirt worn with hat and pants. {{ A probability tree that shows the color shirt worn with hat and pants. There are three options for color shirt, red, green and blue. There are two options for color hat, striped or plain. There are three options for wearing a plain hat; out of these three options there is an option to wear it with either shorts or jeans. }} What is the size of the event for wearing a plain hat with jeans? a) 1 b) 2 c) 3 d) 4 54. The following table shows the number of individuals surveyed with a college degree. Male Female Total Bachelor's Master's Total What is the probability of a male with a Bachelor's being selected randomly from the males? a) 1/12 b) 5/12 c) 7/12 d) 11/12 55. The following table shows the number of individuals surveyed with a college degree. Male Female Total Bachelor's Master's Total What is the probability of a female with a Master's being selected randomly from the total? a) 1/20 b) 3/20 c) 7/20 d) 9/20 56. For each day in New England, the probability that it is mostly cloudy is 0.10 . Cindi is planning to go leaf watching, and her friend will join her with probability 0.70 . Find the probability that when Cindi takes her trip, either Cindi's friend does not join her, or she does join her but it is mostly cloudy. Assume that her friend joining her is independent of the weather conditions. a) 0.1 b) 0.37 c) 0.77 d) 0.703 57. The numbers 1 through 20 are in a bag. What is the probability of drawing a 6 first, then an even number without replacement? a) 9/400 b) 9/380 c) 9/200 d) 9/190 58. Match the correct formula to the following situation. Keri can get to work on time when the trains are running or when her car is working. Let A= the trains are running and B= her car is working. a) P(A and B)=P(A)×P(B A) b) P(A or B)=P(A)+P(B) c) P(A and B)=P(A)×P(B) d) P(A or B)=P(A)+P(B)−P(A and B)|P(A or B)=P(A)+P(B)−P(A and B) 59. Match the following event to the appropriate area of the Venn diagram. Sami is between 20 and 22 and got married 1 year ago. Let A= Being between 20 and 45 years old. Let B= having a significant romantic relationship (including marriage). {{ The intersection of A and B }} a) Area A but not B b) Area A and B c) Area B, but not A d) Area not A or B 60. Match the following event to the appropriate area of the Venn diagram. Jeraldine is 50 and has been married for 20 years. Let A= Being between 20 and 45 years old. Let B= having a significant romantic relationship (including marriage). {{ The intersection of A and B }} a) Area A but not B b) Area A and B c) Area B, but not A d) Area not A or B