Quiz about Venn Diagram Probability HW

Question 1

Find the P(B).

Note: $$P\left(Event\right)=\frac{num\ outcomes}{total}$$

Accepted Answer

$$\frac{13}{25}$$

Answer

$$\frac{1}{25}$$

Answer

$$\frac{21}{25}$$

Answer

$$\frac{12}{25}$$

Question 2

Find the $$P\left(B\cap C\right)$$ .

Note: $$P\left(Event\right)=\frac{num\ outcomes}{total}$$

Accepted Answer

$$\frac{1}{25}$$

Answer

$$\frac{13}{25}$$

Answer

$$\frac{21}{25}$$

Answer

$$\frac{12}{25}$$

Question 3

Find the $$P\left(B\cup C\right)$$ .

Note: $$P\left(Event\right)=\frac{num\ outcomes}{total}$$

Accepted Answer

$$\frac{21}{25}$$

Answer

$$\frac{13}{25}$$

Answer

$$\frac{1}{25}$$

Answer

$$\frac{12}{25}$$

Question 4

Find the P(B)'.

Note: $$P\left(Event\right)=\frac{num\ outcomes}{total}$$

Accepted Answer

$$\frac{12}{25}$$

Answer

$$\frac{13}{25}$$

Answer

$$\frac{1}{25}$$

Answer

$$\frac{21}{25}$$

Question 5

The diagram shows the sports played by 80 students.

If a student is picked at random, what is the probability that they play football?

Accepted Answer

⁶⁶/₈₀

Answer

4/80

Answer

¹⁸/₈₀

Answer

⁴⁹/₈₀

Question 6

What is the probability that someone plays basketball?

Accepted Answer

.52

Answer

.50

Answer

.68

Answer

.46

Question 7

Find the probability of getting a red shape.

Accepted Answer

$$\frac{5}{9}$$

Answer

$$\frac{3}{9}$$

Answer

$$\frac{1}{3}$$

Question 8

Ms. Stringer conducted a survey of his 9th grader homeroom. 17 students are taking both Econ and Business. 19 students are taking Econ. 18 students are taking Business. 16 students are taking other courses.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 9

Calculate the probability of History or/union Science denoted $$P\left(H\cup S\right)$$

Choose your best answer choice

Accepted Answer

(3 + 5 + 9)/21

Answer

3/21

Answer

4/21

Answer

(4 + 5 + 9)/21

Question 10

A randomly selected group of students were asked if they like singing or painting. The Venn diagram represents the results. What is the probability that a randomly selected person does not like painting?

Accepted Answer

0.32

Answer

0.13

Answer

0.19

Answer

0.71

Venn Diagram Probability HW

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