Exams Are Approaching and Helen Is Allocating Time to Studying

question 8

Short Answer

Exams are approaching and Helen is allocating time to studying for exams. She thinks 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 of getting an A in both classes. What is the probability that Helen gets an A in at least one of her two classes?

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Definitions:

Senate Watergate Committee

A select committee formed by the United States Senate in 1973 to investigate the Watergate scandal, involving a break-in at the Democratic National Committee headquarters and the subsequent cover-up by the Nixon administration.

Select Committee

A temporary or permanent legislative committee established to conduct investigations or consider specific issues not suitable for a standing committee.

Nuclear Option

A parliamentary procedure that allows the United States Senate to override a rule or precedent by a simple majority of 51 votes, rather than the two-thirds majority normally required.

Filibuster Rules

Regulations governing the use of filibuster in legislative bodies, determining how and when it can be employed to delay proceedings or block legislation.