vocabulary for Unit 1: Outcomes and Likelihoods
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| When the results of one event do not affect another (such as flipping a coin and spinning a spinner) | independent events
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| all possible outcomes of an experiment | sample space
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| more than one simple event | compound event
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| used to organize possible outcomes sequentially | tree diagram
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| when actual events take place to determine outcomes (i.e., a number cube is rolled, or a spinner is spun, or a coin is flipped) | experimental probability
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| used when more than one outcome is desired (example -- probability for rolling a two or a three on a number cube: 1/6 + 1/6 = 2/6) | addition principle
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| all possible outcomes of an event that are NOT desired | complement
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| consisting of just one outcome | simple event
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| The chances of events happening as determined by calculating results that would occur under ideal circumstances | theoretical probability
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| If an event A can occur in m ways and for each of these m ways, an event B can occur in n ways, then events A and B can occur in m ∙ n ways | counting principle
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| The number of times an outcome occurs divided by the total number of trials | relative frequency
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| To find the probability that two independent events (A and B) occur, multiply their individual probabilities | multiplication principle
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
rcollins
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