WorksheetsUnit 6 Probability
Total questions: 10
Worksheet time: 48mins
Name
Class
Date
1.
A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?
a)
3
b)
1/10
c)
3/10
d)
30%
2.
The theoretical probability of rolling an even number on a dice.
a)
3/6
b)
1/2
c)
1/6
d)
5/6
3.
Is the event INDEPENDENT or DEPENDENT?
You have a jar with 24 pieces of chocolate candy and 14 pieces of orange candy. We take one piece of candy at random from the jar, put it back, and then take a second piece of candy at random from the jar.
You have a jar with 24 pieces of chocolate candy and 14 pieces of orange candy. We take one piece of candy at random from the jar, put it back, and then take a second piece of candy at random from the jar.
a)
Independent
b)
Dependent
4.
Is the event INDEPENDENT or DEPENDENT?
Amy plays card games. She picks a card at random. Then without putting the first card back, she picks a second card at random.
a)
Independent
b)
Dependent
5.
A number cube is rolled. What is the probability of getting a 6 or a number less than 3? Simplify.
a)
1/3
b)
1/12
c)
1/2
d)
1/18
6.
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
a)
5/6
b)
1/2
c)
1/3
d)
1/6
7.
What is the probability of getting any letter that is not A?
a)
6/8
b)
3/4
c)
2/8
d)
1/4
8.
What is the probability that a student plays an instrument?
a)
11/20 = 55%
b)
10/20 = 50%
c)
9/20 = 45%
d)
8/20 = 40%
9.
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. P(1st orange then green)
a)
1/15
b)
2/15
c)
3/31
d)
1/5
10.
Lucy has the spinner pictured and spins it. What is the probability that she lands on blue or on yellow? Simplify.
a)
1 / 16
b)
1 ⁄ 2
c)
1 ⁄ 8
d)
3 ⁄ 4
100 %
