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Unit 6 Test
Unit 6 Test
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Analytic Geometry Unit 6 Test - Statistics and Probability
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Questions
25
Answers
1
What is the probability that a teenager owns a skateboard given that they own rollerblades?
163%
39%
61%
23%
2
WHAT IS THE CORRECT REPRESENTATION OF WHAT IS SHADED?
B
C
D
A
3
WHAT IS THE PROBABILITY THAT A CHILD DOES CHORES GIVEN THAT THE CHILD GETS AN ALLOWANCE?
27%
137%
97%
73%
4
WHAT IS P(F U SB)'?
65%
35%
27%
73%
5
WHICH OF THE FOLLOWING WOULD NOT BE CONSIDERED A SET OF TWO INDEPENDENT EVENTS?
D
A
B
C
6
IF ONE MARBLE IS DRAWN AT RANDOM, FIND P(blue/white').
3∕8
1
¼
0
7
WHAT IS THE PROBABILITY THAT A FAMILY HAS BOTH A CAT AND A DOG?
0.32
0.36
0.31
0.72
8
Which set describes students who chose hamburgers, but did not choose milk?
C
B
A
D
9
WHAT IS THE SET OF A U B?
A
B
D
C
10
WHICH OF THE FOLLOWING IS NOT TRUE?
B
A
D
C
11
FIND THE PROBABILITY THAT ANDREA PASSES HER MATH TEST, GIVEN THAT SHE HAS STUDIED.
Not enough information
1
21∕25
7∕12
12
WHAT IS P(6TH/SB)?
73%
44%
32%
39%
13
WHAT IS THE PROBABILITY THAT JASON WILL CLOSE A SALE WITH BOTH OF THE NEXT 2 CUSTOMERS?
20%
4%
15%
8%
14
What is the probability that a student plays sports, but is not on the Honor Roll?
68%
88%
53%
16%
15
WHICH TWO-WAY FREQUENCY TABLE SHOWS THAT P(W/Y)=0.25?
C
A
B
D
16
WHICH OF THE FOLLOWING EVENTS ARE NOT INDEPENDENT?
A
C
B
D
17
WHAT IS THE PROBABILITY THAT A STUDENT PLAYS BASKETBALL GIVEN THE STUDENT PLAYS FOOTBALL?
None of the above
0.56
1.78
0.5
18
FIND P(male/choir).
0.42
0.31
0.80
0.22
19
THE VENN DIAGRAM REPRESENTS THE __________________ OF A,B, AND C.
INTERSECTION
UNION
INDEPENDENCE
COMPLEMENT
20
IF THE STUDENT SELECTED IS A 7TH GRADER, FIND THE PROBABILITY THE STUDENT PREFERS ICE-SKATING.
33%
43%
13%
23%
21
WHICH OF THE FOLLOWING EVENTS ARE INDEPENDENT BASED ON THE FORMULA?
B
D
C
A
22
WHAT IS THE P(Y)?
2∕8
5∕54
5∕6
5∕8
23
FIND THE PROBABILITY OF SPINNING AN EVEN NUMBER AND THEN A ONE.
2
1∕20
1∕2
3∕5
24
FIND P(A U B).
0.85
0.55
0.05
0.02
25
WHAT IS THE PROBABILITY THAT A HIGH SCHOOL SENIOR WILL GO TO PROM AND GO TO COLLEGE?
0.58
1.5
1.13
0.89
