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4/14 Probability Classwork

Total questions: 20

Worksheet time: 2hrs 36mins

Name
Class
Date
1.
Des buys a pack of Starbursts that has 3 orange, 6 pink, 1 yellow, and 5 red Starbursts.  She puts the candy in the bowl.  If she reaches in and grabs two Starbursts without putting one back, what is the probability that she will pick a pink and then a yellow?
a)
1/35
b)
7/210
c)
6/225
d)
2/75
2.

This jar contains 20 pieces of bubble gum. The green ones are Tisha's favorite flavor. Her teacher told her she can have two pieces. What is the probability she will randomly pick two green?

a)

1/4

b)

1/2

c)

9/38

d)

18/45

3.

Each letter of the word Banana is written on a card. Find each probability if you pick two cards without replacing the first. What is the probability of picking and N and then an A?


p(N, then A)

a)

1/15

b)

1/5

c)

1/10

d)

2/3

4.

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. They will draw 2 times and draws are made without replacement. What is the Probability of both marbles being purple?

a)

2/9

b)

1/3

c)

1/2

d)

1/4

5.

You are playing a game of scrabble. The tiles shown are dropped in a bag. You need to choose two tiles. What is the probability of choosing an "E", keeping it, and then choosing a "H"?

a)

4/15

b)

1/70

c)

1/75

d)

1/225

6.
There are 15 boys in a class with 14 girls. Find the probability of selecting a girl then a boy
a)
15/58
b)
18/33
c)
2/29
d)
1/29
7.

What is the probability of Tim drawing a two and then a five, wihtout replacement, from the dealer's hand?

a)

1/78

b)

4/169

c)

2/169

d)

1/39

8.

Mr. Barnett bought a dozen Krispy Kreme doughnuts. He chooses 5 glazed, 3 creme filled, 2 chocolate iced, and 2 blueberry doughnuts. What is the probability that the 1st will be creme filled (he eats it), and then his 2nd choice is blueberry?

a)

1/22

b)

1/24

c)

6/132

9.
Which color marble is least likely to be pulled from the jar?
a)
Green 
b)
Red
c)
Blue
10.
On Sundays at Ice Cream Heaven, you can choose two free toppings for your sundae.  The toppings are nuts, hot fudge, caramel, and sprinkles.  How many different combinations of toppings can you order?
a)
8
b)
12
c)
24
d)
6
11.
How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?
a)
15
b)
40
c)
80
d)
10
12.

1. A pizza shop makes pizza in 3 sizes: small, med, large.  There are 2 types of crust: thick and thin.  There are 4 toppings: sausage, pepperoni, ham and mushrooms.  How many different one topping pizzas can be made at the restaurant?

(a)  

13.
Erik gets to choose from five cake flavors, seven icing flavors, and three topping flavors. If he can only choose one of each flavor,  how many cakes are possible?
a)
35
b)
573
c)
21
d)
105
14.
A restaurant offers four appetizers, nine entrees,and three desserts. How many different ways can Angela choose a three course meal?
a)
36
b)
100
c)
108
d)
27
15.
a)

1/2, 50%

b)

1/3, 33.3%

c)

2/3, 66.7%

d)

1/5, 20%

16.
a)

0%

b)

1/6, 16.7%

c)

1/2, 50%

d)

6/6 100%

17.

What is the probability of selecting a brown M&M from this bowl?


4 yellow, 6 orange, 2 brown, 3 green, 5 blue

a)

218\frac{2}{18}

b)

19\frac{1}{9}

c)

220\frac{2}{20}

d)

110\frac{1}{10}

18.
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
19.
A fruit basket contains
9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Kyle randomly chooses a fruit, does not replace it, then chooses another. What is the probably that he chose two pears? 
a)
9/49
b)
4/125
c)
1/10
d)
1/30
20.
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