6.2 - Theoretical and Experimental Probability

Question 1

If the set U = {all positive integers} and set A = {x|x ∈ U and x is an odd positive integer}, which describes the complement of set A, Ac?

Revolt · Accepted Answer

Ac = {x|x ∈ U and is an even positive integer}

Question 2

Consider U = {x|x is a real number}.A = {x|x ∈ U and x + 2 > 10}B = {x|x ∈ U and 2x > 10}Which pair of statements is correct?

Revolt · Accepted Answer

8 ∉ A; 8 ∈ B

Question 3

In the Venn diagram, consider U = {students in 10th grade at Lee High School}.The diagram shows the electives chosen by the students in the 10th grade.

Revolt · Accepted Answer

17

Question 4

The diagram shows the universal set U = {parallelograms}.Set A represents parallelograms with four congruent sides, while B represents parallelograms with four congruent angles.

Revolt · Accepted Answer

26

Question 5

Consider U = {x|x is a negative real number}.Which is an empty set?

Revolt · Accepted Answer

{x|x ∈ U and x has a negative square root}

Question 6

2 circles labeled Set A and Set B overlap. Set A contains 1, set B contains 3, and the overlap of the 2 circles contains 2. The number 4 is outside of the circles.

Revolt · Accepted Answer

II

Question 7

The Venn diagram shows three types of numbers: odd (O), even (E), and prime (P).

Revolt · Accepted Answer

E ∩ O

Question 8

2 circles labeled Set A and Set B overlap. Set A contains 1, set B contains 3, and the overlap of the 2 circles contains 2. The number 4 is outside of the circles.

Revolt · Accepted Answer

I, II, and III

Question 9

The Venn diagram shows the number of customers who have purchased different types of pets from a pet store, where C represents customers who have purchased cats, D represents customers who have purchased dogs, and F represents customers who have purchased fish.

Revolt · Accepted Answer

4

Question 10

The Venn diagram shows the number of patients seen at a pediatrician’s office in one week for colds, C, ear infections, E, and allergies, A.

Revolt · Accepted Answer

28

6.2 - Theoretical and Experimental Probability Answers

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