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Basic Probabilities
Test Description: Just the fundamentals: a pretest
Instructions: Answer all questions to get your test result.
1) What is an example of a conditional probability?
A
Rolling a pair of dice the third time.
B
Ordering a meal from a printed menu.
C
Drawing a second card from a deck without haveing replaced the first draw.
D
Winning the second game of a double header.
2) What is an example of a mutually exclusive event?
A
Using a credit card to buy clothes.
B
Winning the second game of a double header.
C
Flipping a coin and getting heads or tails.
D
Passing a drivers license test.
3) Which of these is a valid subject for an observational study?
A
Selecting an appropriate cold remedy.
B
Which of three cold remedies works best?
C
None of the above.
D
How many cold symptoms are there?
4) Which of the below is a threshold sample size?
A
30
B
1
C
2000
D
4
5) Does sample size affect the margin of error?
A
yes
B
no
6) What distinguishes an observational study from an experiment?
A
Control group
B
Biology
C
Heredity
D
Statistics
7) Which way is up on a compas?
A
west
B
east
C
south
D
north
8) In the news, where does one see margin of error?
A
Footnotes
B
Polling results
C
Headlines
D
Captions
9) Which Italian mathemetition gave us the zero?
A
Fibonacci
B
Galileo
C
Marconi
D
Columbus
10) What is the visual image associated with Normal Distribution?
A
Hyperbola
B
Cosine
C
Parabola
D
Bell curve
*select an answer for all questions
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