Test 6C
AP Statistics
Name:
Directions
:
Do all of your work on these sheets.
Write sequentially and show all work.
Part 1:
Multiple Choice.
Circle the letter corresponding to the best answer.
1.
An assignment of probability must obey which of the following?
(a)
The probability of any event must be a number between 0 and 1, inclusive.
(b) The sum of all the probabilities of all outcomes in the sample space must be exactly 1.
(c)
The probability of an event is the sum of the outcomes in the sample space which make up the
event.
(d) All of the above.
(e)
A and B only.
2.
Event
A
occurs with probability 0.2. Event
B
occurs with probability 0.8. If
A
and
B
are disjoint
(mutually exclusive), then
(a)
P(A and B) = 0.16.
(b) P(A or B) = 1.0.
(c)
P(A and B) = 1.0.
(d) P(A or B) = 0.16.
(e)
Both A and B are true.
3.
A fair coin is tossed four times, and each time the coin lands heads up.
If the coin is then tossed
1996 more times, how many heads are most likely to appear for these 1996 additional tosses?
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 Winter '10
 scruble
 Probability, Probability theory, Medical Assistance

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