Unit 6 Take Home Quiz

A class of 82 were asked what kind of pet they had. Forty-seven students have a dog, 29 have a cat, and 30 have a hamster. If 12 have both a dog and a cat, 5 have all three animals, 8 have a hamster and a cat, and 19 have only a dog. Use the Venn Diagram to answer the following: P(don’t have a dog, cat, or hamster) =

• A) 39/82

• B) 12/82

• C) 31/82

• D) 5/82

A class of 82 were asked what kind of pet they had. Forty-seven students have a dog, 29 have a cat, and 30 have a hamster. If 12 have both a dog and a cat, 5 have all three animals, 8 have a hamster and a cat, and 19 have only a dog. Use the Venn Diagram to answer the following: P(dog) =

A spinner is numbered from 1-10 with each number equally likely to occur. What is the percentage of the probability of obtaining a number less than 2 or greater than 7 in a single spin?

• 3%

• 40%

• 4%

• 30%

The table shows the results of a survey of students in two math classes. Find the following probability. P(more than 1 hour of TV given that 6th period class).

• 17/40

• 13/23

• 13/40

• 17/23

Each person in a group of college students was identified by year and asked when they preferred taking classes: in the morning, afternoon, or evening. The results are shown when in the table. Find the P(Freshman).

• A) 44/129

• B) 19/129

• C) 17/129

• D) 28/129

A jar contains 8 red marbles, 5 yellow marbles, 12 green marbles, and 3 blue marbles. You select a marble and then do not replace it and then select another marble. Find the probability of each event: P(red and then a blue).

• 24/784

• 24/756

• 25/63

• 11/28

Yancy is playing with a 12-sided numbered die. He has decided that he will do his math homework next instead of playing video games if he rolls an odd number greater than 8. For what numbers on the die will Yancy do his math homework next?

• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

• 1, 3, 5, 7, 9, 11

• 9, 10, 11, 12

• 9, 11

A box contains twelve 16 GB pen drives and eighteen 32 GB pen drives. Two 16 GB pen drives are defective, and four 32 GB pen drives are defective. If a pen drive is picked at random, what is the probability that it is a 16 GB pen drive or defective?

This is a frequency table of what students read during study hall. Which value represents the joint frequency of men who read comics?

• 2

• 6

• 8

• 10

A movie studio surveyed 400 participants by showing them 4 different endings (labeled A, B, C, and D) to the same movie. Each participant then picked a favorite ending. The table shows the results of the survey. Based on the information given, which statement(s) is (are) true? Select ALL that apply.

• 12.5% of the men preferred B.

• (30/70) of the participants who preferred D were men.

• 60% of the women preferred C.

• 35% of the participants preferred B.

• 60% of the participants were women.