True/False
Indicate whether the
statement is true or false.
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1.
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If we toss a coin four times then there are 8 possible outcomes.
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2.
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If we toss a coin and roll a die then there are 12 possible overall
outcomes.
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3.
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If we toss a coin three times then the probability of it landing heads at least
once is  .
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4.
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If we roll two fair dice and add the number of spots showing then the
probability of scoring 6 is  .
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5.
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If we pick a card from a standard pack then the probability of picking a red ace
is the same as the probability of picking a black 7.
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6.
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If we pick a card from a standard pack then the probability of picking either an
ace or a black card is  .
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7.
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Saying that the probability of an event is 2 means that it is certain to
occur.
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8.
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If a fair coin lands showing heads three times in a row then the probability of
it landing heads next time is  .
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9.
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Rina records the number of days of rain in January over a 5-year period. Her
records show that it rained for 5, 7, 0, 4 and 5 days over the 5 years. January has 31 days, so
overall the probability of it raining on a given day in January is  .
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10.
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If you answer the ten questions in this section at random, then the probability
of getting them all right is about 0.0977%.
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