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3 cards from this section. Quick, good the night before a test.
What does a probability of 0 indicate?
Think about events that cannot occur.
If the probability of an event is 1, what does this mean?
Remember the range of probability values.
What does a probability value of 0.5 indicate?
Think about flipping a coin.
True or False: A probability of 1 means an event is impossible.
Remember how we define impossible vs. certain.
Suppose the chance of drawing a blue ball from a bin is 0.3. If you draw 10 balls, how many blue balls do you expect to get?
Multiply the probability by the total number of trials.
If the probability of an event succeeding is 0.25, what is the probability that it will fail after three trials?
Consider the independent trials and use the complementary probability.
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