Carregando…
Exemplo 1 de Algebra and Trigonometry, 13.7 Probability
Problema e solução em inglês, como no livro original.
Construct a probability model for rolling a single, fair die, with the event being the number shown on the die.
Resolva no papel primeiro. Depois abra a solução um passo de cada vez e pare assim que conseguir terminar sozinho.
Begin by making a list of all possible outcomes for the experiment. The possible outcomes are the numbers that can be rolled: 1, 2, 3, 4, 5, and 6. There are six possible outcomes that make up the sample space.
Assign probabilities to each outcome in the sample space by determining a ratio of the outcome to the number of possible outcomes. There is one of each of the six numbers on the cube, and there is no reason to think that any particular face is more likely to show up than any other one, so the probability of rolling any number is
| Outcome | Roll of 1 | Roll of 2 | Roll of 3 | Roll of 4 | Roll of 5 | Roll of 6 |
| Probability |
O Try It do livro logo depois deste exemplo: mesma ideia, outros números. Só a resposta é dada.
Construct a probability model for tossing a fair coin.
Como foi?