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STAAR Probability Review

Total questions: 79

Worksheet time: 2hrs 13mins

Name
Class
Date
1.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
2.
Probability can be written as ...
a)
a fraction
b)
a decimal
c)
a percent
d)
all of the above
3.
A likely chance event is closer to what number?
a)
0
b)
1
c)
.5
d)
100
4.
An unlikely chance event is closer to what number?
a)
0
b)
1
c)
2
d)
3
5.
What is the probability of spinning the spinner and having it land on RED?
a)
33%
b)
50%
c)
12%
6.
What is the probability of flipping a coin and getting heads?
a)
1/2
b)
1/3
c)
1/4
d)
Never, Tails never fails.
7.
A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?
a)
5/11
b)
5/6
c)
1/3
d)
5
8.
The probability of it raining today is 30%.  What is the probability that it will NOT rain?
a)
30%
b)
70%
c)
100%
d)
0%
9.

What is the probability of spinning an even number?

a)

16 2/3%

b)

33 1/3%

c)

50%

d)

75%

10.
Is the spinner more likely or less likely to land on green than yellow?
a)
more likely
b)
less likely
11.
What is the probability of drawing a red card from a standard deck of cards?
a)
1/52
b)
13/52
c)
1/2
d)
4/52
12.
The probability of Asher's soccer team winning its next game is 7/10.  What is the probability of not winning their next game?
a)
unlikely
b)
3/10
c)
1/2
d)
impossible
13.
What is the probability of pulling a red marble out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?
a)
1/7
b)
7/20
c)
7/10
d)
3/10
14.
If you were to roll the die one time what is the probability of it landing on a 2?
a)
2 out of 6
b)
2 out of 2
c)
1 out of 6
d)
1 out of 1
15.
What is the probability of selecting a cherry piece of candy?
a)
3 out of 10
b)
3 out of 3
c)
3 out of 9
d)
4 out of 10
16.
What is the probability of getting an odd number when rolling a single 6 sided die?
a)
1/6
b)
2/6
c)
3/5
d)
3/6
17.
What is the probability of the spinner landing on red?
a)
5/12
b)
1/5
c)
5/5
d)
3/5
18.

What is the probability that you choose blue? *simplify

5 green

6 yellow

8 blue

7 brown

a)

8/26

b)

4/13

c)

8/25

d)

1/3

19.

What is the probability of spinning a 2 on the spinner?

a)

1/2

b)

1/3

c)

1/8

d)

1/4

20.

What is the probability the spinner stops on yellow?

a)

.05

b)

50%

c)

25%

d)

3/8

21.

What is the probability of the spin stopping on yellow?

a)

1/4

b)

.25

c)

50%

d)

75%

22.
A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll? 
a)
2/3
b)
5/36
c)
1/9
d)
1/36
23.
A chorus has 50 girls and 35 boys. If two are chosen at random to sing a duet, what is the probability that both will be boys? 
a)
1/6
b)
7/17
c)
3/8
d)
13/25
24.
Clara picks a marble at random, puts it back, and then picks another marble at random.
a)
Dependent
b)
Independent
25.
Victor picks a card at random. Without putting the first card back, he picks a second card at random.
a)
Dependent
b)
Independent
26.
The outcome of one event does not influence the outcome of the other event
a)
independent event
b)
tree diagram
c)
simple event
d)
odds
27.
The outcome of one event does influence the outcome of the other event
a)
mutually exclusive event
b)
probability
c)
dependent event
d)
simple probability
28.
If I flip a coin 10 times, how many times should I get heads?
a)
1
b)
10
c)
3
d)
5
29.
Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?
a)
1 ⁄ 16
b)
1 ⁄ 2
c)
1 ⁄ 4
d)
1 ⁄ 8
30.
Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on yellow or green?
a)
1 / 16
b)
1 ⁄ 6
c)
1 ⁄ 8
d)
3 ⁄ 4
31.
Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple. 
a)
3/5
b)
3/4
c)
3/20
d)
2/5
32.
A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? 
a)
1/12
b)
1/4
c)
1/8
d)
1/2
33.
A bag contains 5 blue marbles, 4 red marbles, and 3 orange marbles. Mrs. Cox picks one without looking, replaces it and picks another one. What is the probability that she picks two that are not orange? 
a)
9/16
b)
3/4
c)
9/144
d)
5/16
34.
How do you find compound probability?
a)
Multiply your probabilities
b)
Add your probabilities
c)
Divide your probabilities
d)
Subtract your probabilities
35.
What is the P(K then A) = _____
a)
1/9
b)
2/9
c)
2/7
d)
0
36.
What is the P(A then A) = _____
a)
4/81
b)
2/9
c)
2/7
d)
4/18
37.
What is the P(A then B) = _____
a)
1/6
b)
1/3
c)
2/81
d)
1/27
38.
What is the P(E then E) = _____
a)
4/81
b)
2/9
c)
4/7
d)
2/9
39.
A bag has 3 red, 5 blue, and 2 yellow pieces of candy. What is the probability of  drawing a blue piece of candy?
a)
1/2
b)
1/10
c)
3/10
d)
1/3
40.
An ice cream parlor has 6 different flavors. They have 4 toppings and 2 types of cones. How many possible ice cream combinations are there?
a)
6
b)
48
c)
12
d)
24
41.
A spinner consists of two A’s, three B’s, and three C’s. What is the probability of  spinning a B?
a)
2/8
b)
2/3
c)
3/8
d)
1/4
42.
A box contains 3 black pens, 7 blue pens, and 5 red pens. Without looking, P(red or black)
a)
8/15
b)
15/225
c)
5/15
d)
3/15
43.
There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color?
a)
2/5
b)
1/21
c)
4/25
d)
1/7
44.
There are 2 violet balls and 4 pink balls in a bag. If two balls are drawn one after the other, then what is the probability of getting violet first and pink next, if the first ball drawn is replaced?
a)
1/3
b)
2/9
c)
1/6
d)
1/4
45.
A basket contains 5 purple pencils and 9 brown pencils. If two pencils are picked at random one after the other without replacement, then what is the probability that both the pencils are purple?
a)
9/182
b)
5/182
c)
2/91
d)
10/91
46.
Two cards are drawn from a standard deck of cards and no cards are returned to the deck. Identify whether the events are independent or dependent. 
a)
Independent
b)
Dependent
47.
Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple. 
a)
3/5
b)
3/4
c)
3/20
d)
2/5
48.
How many outcomes are there with tossing a coin and rolling a dice?
a)
2
b)
6
c)
12
d)
24
49.
You roll a six sided die. What is the probability of rolling an even number three times in a row? 
a)
3/100
b)
1/2
c)
1/6
d)
1/8
50.
Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.
a)
3/20
b)
1/4
c)
3/31
d)
2/27
51.

You roll a single die numbered from 1 to 6 twice. What is the probability of rolling a 6 the first time and an odd number the second?

a)

1/6 x 3/6

b)

5/6 x 1/2

c)

1/6 x 2/6

d)

5/6 x 3/6

52.

A jar contains 12 caramels, 7 mints and 16 dark chocolates. What is the probability of selecting a dark chocolate and then a caramel?

a)

12/35 x 12/34

b)

16/35 x 12/34

c)

16/35 x 12/35

d)

12/35 x 16/34

53.

The numbers 4 through 14 are placed in a bowel and drawn at random then replaced after being drawn. What is the probability of drawing the number 14 and then a number less than 12?

a)

4/14 x 12/14

b)

12/14 x 4/14

c)

1/11 x 9/11

d)

2/11 x 3/11

54.

In a deck of 52 playing cards, what is the probability of drawing a club and then a second club?

a)

13/52 x 13/52

b)

13/52 x 12/51

c)

13/52 x 12/52

d)

12/52 x 13/51

55.

The letters that form the word MISSISSIPPI are placed in a bowl. What is the probability of choosing a vowel, replacing it and then drawing a “P”?

a)

4/11 x 2/11

b)

4/11 x 2/10

c)

1/11 x 4/11

d)

2/11 x 4/10

56.

In a deck of 52 playing cards, what is the probability of drawing a 3 of spades and then a 4 of spades?

a)

3/52 x 4/51

b)

51/52 x 50/51

c)

3/52 x 4/51

d)

1/52 x 1/51

57.

You have a jar of jelly beans in front of you with the following flavors: 12 are strawberry, 17 are blueberry, 5 are pineapple and 13 are coconut. What is the probability of selecting either a strawberry or coconut flavored jelly bean replacing it and then drawing either a blueberry or pineapple jelly bean?

a)

17/47 x 12/47

b)

22/47 x 25/46

c)

25/47 x 22/46

d)

25/47 x 22/47

58.

There are 27 students available to represent the upperclassmen at a fair. 13 are Juniors and 14 are Seniors. What is the probability that the first one chosen will be a Senior and the second one will be a Junior?

a)

13/27 x 14/26

b)

14/27 x 13/26

c)

14/27 x 14/27

d)

14/27 x 13/27

59.

In a deck of 52 playing cards what is the probability of drawing a card that is a picture card (A,K,Q,J) replacing it and then drawing either a heart or a spade?

a)

16/52 x 26/52

b)

16/52 x 26/51

c)

26/52 x 16/51

d)

4/52 x 26/52

60.

There are 45 men on the roster of the football team. 3 are quarterbacks, 10 are offensive lineman, 6 are defensive lineman. 4 are running backs, 6 are linebackers, 8 are defensive backs, 1 is a kicker and the rest are receivers. What is the probability that out of two players chosen at random they would be a QB and a receiver?

a)

17/45 x 3/44

b)

3/45 x 17/45

c)

3/45 x 7/44

d)

3/45 x 7/45

61.

There are 25 men on the roster of the baseball team. 3 are catchers, 8 are infielders, 6 are outfielders and the remainder are pitchers What is the probability that out of two players chosen at random they would be a pitcher and an infielder?

a)

8/25 x 8/24

b)

8/25 x 8/25

c)

8/25 x 7/24

d)

8/25 x 7/25

62.

You roll a single die numbered from 1 to 6. What is the probability of rolling a number greater than 3 and then a number less than 3?

a)

3/6 x 2/5

b)

3/6 x 2/6

c)

2/6 x 3/5

d)

3/6 x 3/6

63.

You have the following coins in your pocket: 5 quarters, 6 dimes, 2 nickels and 12 pennies. What is the probability you will draw a penny and then a dime?

a)

12/25 x 6/25

b)

6/25 x 12/24

c)

6/25 x 12/25

d)

12/25 x 6/24

64.

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A” and then choosing an “A”?

a)

5/6 x 2/6

b)

2/7 x 5/6

c)

5/7 x 2/6

d)

5/7 x 2/7

65.

In a deck of 52 playing cards, what is the probability of drawing either a heart or a club than a spade or a diamond if each card is returned to the deck before drawing the next one?

a)

26/52 x 25/52

b)

26/52 x 26/52

c)

26/52 x 26/51

d)

26/52 x 25/51

66.

You have a jar of jelly beans in front of you with the following flavors: 12 are lime, 17 are papaya, 5 are mango and 13 are bubble gum. What is the probability of selecting either a lime or bubble gum flavored jelly bean followed by a mango jelly bean?

a)

5/47 x 25/47

b)

25/47 x 5/47

c)

25/47 x 5/46

d)

5/47 x 25/46

67.

You roll a pair of dice. What is the probability of rolling a 2 and then rolling a 7?

a)

1/6 x 1/6

b)

5/6 x 4/6

c)

0

d)

1/6 x 2/5

68.

In a deck of 52 playing cards what is the probability of drawing a picture card (A,K,Q,J) that is also a diamond followed by any picture card?

a)

16/52 x 15/51

b)

16/52 x 15/52

c)

4/52 x 15/52

d)

4/52 x 15/51

69.

On a spinner there are 10 numbers. What is the probability that the spinner will land on a 5 in two successive spins?

a)

5/10 x 1/10

b)

1/10 x 1/10

c)

5/10 x 5/10

d)

1/10 x 5/10

70.

You draw a marble from a bag that has 4 red, 2 blue, and 3 green, you also flip a fair coin. What is the probability you will draw a blue marble and flip a heads?

a)

1/9

b)

3/9

c)

3/6

d)

5/6

71.
P(1 and A)
a)
1/16
b)
1/10
c)
4/16
d)
1/4
72.
P(a red card and then an orange card)
DO NOT replace
a)
3/58
b)
14/30
c)
2/5
d)
7/60
73.
If you choose 1 scoop of ice cream from 12 flavors and any 1 topping from a choice of 8, how many different ice-cream sundaes can you make?
a)
58
b)
96
c)
20
d)
192
74.
The daily special at the House of Pies offers one of three featured pies and your choice of coffee, tea, milk or juice. How many ways can you order the special?
a)
12
b)
8
c)
15
d)
6
75.
The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a blue, eating it then selecting yellow?
a)
2/18
b)
1/9
c)
2/20
d)
1/19
76.
A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? 
a)
1/12
b)
1/4
c)
1/8
d)
1/2
77.
The tree diagram shows the outcomes of rolling a die and flipping a coin.  
How many total outcomes are there?  
a)
6
b)
12
c)
24
d)
36
78.
The cafeteria is serving three kinds of sandwiches:  tuna (T), chicken, (C), and peanut butter (P).  They are also serving a choice of two drinks:  milk (M) or water (W).  Which shows the complete set of possible combinations?
a)
TW, CW, PW
b)
TW, TM, TC, CW, PW
c)
TW, TM, CW, CM, PW, PM
d)
TCP, MW
79.

What is the probability that you will get plain crust with ham on your pizza?

a)

1/8

b)

1/2

c)

1/10

d)

2/10

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