An event with a probability of 1 is
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An event with a probability of 0 is An event with a probability of 1 is
Which of the following events has a probability of 1? Check all that apply.
Which of the following are ways to express the same probability? Check all that apply.
P(event) =
50%
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Caitlyn calculated the probability of the complement of rolling a number greater than 2 on a 6-side number cube. She made her calculation as follows.P(less than or equal to 2):Did she make an error? Explain.
Yes, she made an error. Caitlyn should have taken the desired outcomes, rolling a 3, 4, 5, or 6, and divided that by the total possible outcomes to get a probability of 4/6, or 2/3. She should have subtracted this probability from 1 to get the complement, which is 2/6, or 1/3.
P(black) =
1/5
What is the probability you will pick an orange at random? What is the complement to this event? What is the probability of the complement? Which fruit is more likely to be chosen?
When you are determining the probability of an event, why must the probability be between 0 and 1? Explain your answer.
Probability is the ratio of the desired outcomes to all possible outcomes. If there are no desired outcomes, the ratio is 0 over all possible outcomes, thus 0. If the event is all possible outcomes, the ratio is all possible outcomes over all possible outcomes, thus 1.
Which of the following did you use in your response? Check all that apply.
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Which of the following did you use in your response? Check all that apply.
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