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Chapter 6 Awesomely Entertaining Probability Practice Test |
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1 |
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What is the probability of rolling a combined score greater than 4
with a
set of dice (2 cubes)? |
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2 |
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What is the probability of getting at least two or more heads when tossing 3
coins? |
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3 |
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What is the key assumption underlying all probability based predictions? |
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4 |
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The probability of event A is 10% and event B is 20%. The events are
disjointed. What is the intersection of the two events? |
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5 |
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The probability of event A is 10% and event B is 20%. The events are
disjointed. What is the union of the two events? |
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6 |
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If men wear red shoes 10% of the time while women wear red shoes 20% of the
time and there is a 50% probability that the next person walking by will be
male, what is the probability that a female will walk by wearing red shoes? |
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7 |
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Refer to the question above. What percent of all people wearing red shoes
will be male? |
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8 |
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If there is a 60 % chance that a person will be right, what is the
probability of all the people being wrong in a 5 person group? |
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9 |
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If 35 % of the people in the USA have brown hair, what is the probability of
finding a group of 5 people in which exactly one person has brown eyes. |
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10 |
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If 10 % of the people in the USA have green eyes and 20 % have blond hair,
what is the probability of finding a person with both green eyes and blond
hair? (assume green eyes and blond hair are independent) |
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11 |
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If 20 % of the people in the USA have blue eyes and 70 % have brown hair,
what is the probability of finding a person with blue eyes or brown hair?
(assume blue eyes and brown hair are independent) |
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12 |
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You flip a coin and get heads all 27 times in a row. Assuming that the coin
is fair, what is the probability of getting heads a 28th time. |
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13 |
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Draw a graph of the probability distribution for flipping 4 coins. |