WorksheetsCompound/Independent/Dependent Probabililty
Total questions: 12
Worksheet time: 1hrs 27mins
Name
Class
Date
1.
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
2.
Kaylee has 1 red, 3 blue, 2 brown, 5 black, 1 purple, and 4 pairs of pink flip-flops in her closet. Assuming she always replaces them, what is the probability that she will choose a blue pair on Monday and a pink pair on Tuesday?
a)
3/8
b)
4/75
c)
3/64
d)
15/32
3.
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
4.
Probability of:
Spinning a 1
Drawing not a D
Spinning a 1
Drawing not a D
a)
1/4
b)
3/12
c)
3/4
d)
9/32
5.
A cookie jar has 3 dozen chocolate chip, 1 dozen peanut butter, and 2 dozen oatmeal raisin cookies. If Megan chooses a cookie, does not replace it, then chooses another, what is the probability that she chooses a peanut butter then a chocolate chip cookie?
a)
2/3
b)
1/10
c)
6/71
d)
11/72
6.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
7.
A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced.
P(white, then purple, then black)
P(white, then purple, then black)
a)
1/36
b)
2/39
c)
5/41
d)
6/43
8.
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
9.
What is the probability of rolling a dice and landing on a 4, and then rolling the dice again and landing on any even number?
a)
1 ⁄ 6
b)
1 ⁄ 8
c)
1 ⁄ 2
d)
1 ⁄ 12
10.
Suppose a number cube is rolled twice. What is the probability that an odd number will show both times?
a)
1/3
b)
1/2
c)
1/6
d)
1/4
11.
a)
6
b)
12
c)
2
d)
10
12.
A store sells handbags in two colors: black and white. They are available in 2 different sizes: small and large. Which diagram shows every possible combination of the color and size of a bag that one can buy?
a)
Tree diagram 3
b)
Tree diagram 4
c)
Tree diagram 1
d)
Tree diagram 2
100 %
