Question 1
A number between 1 and 10, inclusive, is randomly chosen. Events
A and
B are defined as follows.
A: {The number is even}
B: {The number is less than 7}
Which expression represents the event that the number is both even and less than 7?
◦
A ∪
B◦
Bc◦
Ac◦
A ∩
BQuestion 2
A company evaluates its potential new employees using three criteria.
A: The applicant has a minimum college GPA of 3.0.
B: The applicant has relevant work experience.
C: The applicant has a sufficient score on an aptitude test.
a.
Write the event that an applicant meets all three criteria as a union or intersection of
A,
B, and
C.
b.
Write the event that an applicant meets at least one of the three criteria as a union or intersection of
A,
B, and
C.