Math Probability | MathHelp.com - By MathHelp.com
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| 00:0-1 | In this example , we're asked to use the given | |
| 00:02 | spinner to find the probability of spinning of three . | |
| 00:06 | Then we're asked to write the probability as a fraction | |
| 00:10 | to decimal and a percent probability is the likelihood that | |
| 00:15 | a given event will occur and we can find the | |
| 00:18 | probability of an event using the ratio number of favorable | |
| 00:22 | outcomes over total number of outcomes in this case , | |
| 00:28 | since we're asked to find the probability of spinning A | |
| 00:31 | three , the favorable outcome is spinning A three and | |
| 00:36 | since there's only 13 on the spinner , the number | |
| 00:39 | of favorable outcomes is one . Next , we find | |
| 00:44 | the total number of outcomes . Since there are four | |
| 00:47 | possible outcomes , 123 or four and each outcome is | |
| 00:53 | equally likely . The total number of outcomes is four | |
| 00:59 | , so the probability of spinning a three is 1/4 | |
| 01:02 | which can be written as a decimal 0.25 or as | |
| 01:09 | a percent 25% . |
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