Quiz about Int 2_task 40: Intro to Probability

Question 1

The tree diagram shows the outcomes of rolling a die and flipping a coin.
What is the probability of rolling an even number and flipping a head?

Accepted Answer

3/12

Answer

1/2

Answer

4/12

Answer

0/12

Question 2

How many senior boys play football but do not wrestle?

Accepted Answer

18

Answer

9

Answer

12

Answer

104

Question 3

How many senior boys play football or wrestle?

Accepted Answer

39

Answer

9

Answer

21

Answer

30

Question 4

What does the shaded portion of the Venn diagram represent?

Accepted Answer

p

Answer

Not p

Answer

p and q

Answer

p or q

Question 5

What does the shaded portion of the Venn diagram represent?

Accepted Answer

p and q

Answer

Not p

Answer

p or q

Answer

Not q

Question 6

What does the shaded portion of the Venn diagram represent?

Accepted Answer

Only Art

Answer

Band and Art

Answer

Band or Art

Answer

Neither

Question 7

The image represents which of the following?

Accepted Answer

union, "or"

Answer

intersection, "and"

Answer

intersection, "or"

Answer

union, "and"

Question 8

The image represents which of the following?

Accepted Answer

intersection, "and"

Answer

union, "or"

Answer

intersection, "or"

Answer

union, "and"

Question 9

A game is played where a fair coin is flipped.

On the first go, Heads you lose, tails you get to flip again.

On the second go, heads you lose and tails you win.

What is the probability of losing on the first go?

Accepted Answer

1/2

Answer

1/4

Answer

3/4

Answer

1

Question 10

A game is played where a fair coin is flipped.

On the first go, Heads you lose, tails you get to flip again.

On the second go heads you lose and tails you win.

What is the probability of losing on the second go?

Accepted Answer

1/4

Answer

1/2

Answer

3/4

Answer

1

Question 11

A game is played where a fair coin is flipped.

On the first go, Heads you lose, tails you get to flip again.

On the second go heads you lose and tails you win.

What is the probability of losing?

(You need to add the probability of losing on the first go and second go. Or, you may subtract the probability of winning from 1.)

Accepted Answer

3/4

Answer

1/2

Answer

1/4

Answer

1

Question 12

How many senior boys play neither sport?

Accepted Answer

104

Answer

9

Answer

30

Answer

39

Question 13

How many students took the survey?

(You need to add ALL parts of Venn diagram.)

Accepted Answer

53

Answer

32

Answer

47

Answer

56

Question 14

How many students do not snowboard?

Accepted Answer

28

Answer

21

Answer

22

Answer

29

Question 15

The diagram shows the sports played by 80 students.

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

Accepted Answer

4/80

Answer

⁶⁶/₈₀

Answer

¹⁸/₈₀

Answer

⁴⁹/₈₀

Question 16

The diagram shows the sports played by 80 students.

If a student is picked at random, what is the probability that they play all three sports?

Accepted Answer

³¹/₈₀

Answer

⁴⁵/₈₀

Answer

⁶²/₈₀

Answer

⁶⁷/₈₀

Question 17

Find the probability of Lose a Turn for the spinner shown.

Accepted Answer

1/9

Answer

1/4

Answer

2/9

Answer

7/36

Question 18

Find the probability that the spinner lands on Bonus Card when spun.

Accepted Answer

.22

Answer

.44

Answer

.14

Answer

.17

Question 19

What is the probability that the spinner will land on a pink sector?

Accepted Answer

26%

Answer

25%

Answer

28%

Answer

32%

Question 20

Ghazal is picking out a snack. She has a banana, an orange, an apple, and a pear to choose from. Which answer choice represents the sample space?

Accepted Answer

Banana, Orange, Apple, Pear

Answer

Apple

Answer

Picking a snack

Answer

Apple, Pear, Orange

Answer

Event

Question 21

Probability can be written as...

Accepted Answer

All of the above

Answer

A percent

Answer

A decimal

Answer

A fraction

Question 22

A set of all possible outcomes is known as ____.

Accepted Answer

The sample space

Answer

A list

Answer

An event

Answer

A complement

Question 23

What does the complement of an event mean?

Accepted Answer

The opposite

Answer

A nice event

Answer

The same event

Question 24

The probability that Pedro will hit a hole in one at the golf course is 40%. If Pedro goes golfing 40 times in a year, how many times can he expect to hit a hole in one?

Accepted Answer

16

Answer

24

Answer

18

Answer

20

Question 25

What is the probability of selecting a vowel (a, e, i, o, u) ?

Accepted Answer

0.625

Answer

0.345

Answer

0.375

Answer

0.544

Question 26

Find P(not A)

Accepted Answer

3/4

Answer

1/2

Answer

1/3

Answer

3/8

Question 27

P(red or yellow)

Accepted Answer

41.7%

Answer

25%

Answer

38.5%

Answer

16.7%

Question 28

A standard number cube is rolled. What is the probability it lands on a number greater than 2?

Accepted Answer

2/3

Answer

1/3

Answer

3/4

Answer

5/6

Int 2_task 40: Intro to Probability

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