Exams are approaching and Helen is allocating time to studying for exams.She feels that with the appropriate amount of studying,she has an 80% chance of getting an A in Marketing.She also feels that she has a 60% chance of getting an A in Spanish with the appropriate amount of studying.Given the demands on her time,she feels that she has only a 45% chance getting an A in both classes.What is the probability that Helen gets an A in at least one of the two classes?
Correct Answer:
Verified
Q90: Exhibit 4-6.In January of 2012,the second stop
Q92: Exhibit 4-6.In January of 2012,the second stop
Q94: A certain weightlifter is prone to back
Q96: Exams are approaching and Helen is allocating
Q97: Exhibit 4-4.An investor is keeping a careful
Q98: Restaurants in London,Paris,and New York want diners
Q99: Exhibit 4-5.The following contingency table provides frequencies
Q100: Exhibit 4-4.An investor is keeping a careful
Q121: Based on his batting average, a baseball
Q127: Ryan is hoping to attend graduate school
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents