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WorksheetsUnit 6 Recovery Work Part 2
Total questions: 15
Worksheet time: 1hrs 14mins
Name
Class
Date
1.
Mary is a good student. The probability that she studies and passes her test is 3/5. If the probability that she studies is 8/9. What is the probability that she passes given that she studies?
a)
27/40
b)
1.48
c)
.008
d)
.0593
2.
You think that playing a sport and playing an instrument are independent. Which pair of probabilities should you calculate, and should they be the same or different?
a)
P(instrument) and P(instrument given sports), different
b)
P(instrument) and P(sports given instrument), different
c)
P(instrument) and P(instrument given sports), same
d)
P(instrument) and P(sports given instrument), same
3.
How many of these statements are true?
1) P(spanish) = 25/50
2) P(spanish given boy) = 10/20
3) P(boy given spanish) = 10/20
4) {spanish} and {boy} are independent.
1) P(spanish) = 25/50
2) P(spanish given boy) = 10/20
3) P(boy given spanish) = 10/20
4) {spanish} and {boy} are independent.
a)
1
b)
2
c)
3
d)
4
4.
Make an area model or tree diagram!
a)
2/12
b)
1/2
c)
1/12
d)
1/24
5.
Amber rolls two dice and it is known that the sum of the numbers is 7. What is the probability one die is a 5?
a)
16.7%
b)
19.8%
c)
33.3%
d)
8.3%
6.
How many senior boys play football and wrestle?
a)
9
b)
12
c)
18
d)
39
7.
How many students took the survey?
a)
32
b)
47
c)
53
d)
56
8.
What does the shaded portion of the Venn diagram represent?
a)
Not p
b)
p
c)
p and q
d)
p or q
9.
What does the shaded portion of the Venn diagram represent?
a)
Band and Art
b)
Only Art
c)
Band or Art
d)
Neither
10.
What does the shaded region of the Venn diagram represent?
a)
P or S
b)
Only P or S
c)
P and S
d)
Only P and S
11.
What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school?
a)
4%
b)
14%
c)
13%
d)
29%
12.
Of the times when the forecast called for rain, what is the percentage that it actually rained?
a)
About 90%
b)
About 50%
c)
About 70%
d)
About 80%
13.
According to the table, what is the probability of eating breakfast given they are 14-17?
a)
About 33%
b)
About 50%
c)
About 40%
d)
About 44%
14.
Given that the person would choose neither, what is the relative frequency if they are an adult?
a)
.26
b)
.037
c)
.084
d)
.143
15.
What is the relative frequency of a person who wears pants out of all those who wear sandals?
a)
4%
b)
14%
c)
20%
d)
36%
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