Discover answers to your most pressing questions at Westonci.ca, the ultimate Q&A platform that connects you with expert solutions. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

Use the information below to determine the probability of each event occurring. Simplify if possible.

A die with sides numbered 1 to 6 is rolled. Find the probability of rolling each outcome:

5. [tex] P(5) = \qquad[/tex]
6. [tex] P(1 \text{ or } 2) = \qquad[/tex]
7. [tex] P(\text{odd number}) = \qquad[/tex]
8. [tex] P(\text{not } 6) = \qquad[/tex]
9. [tex] P(\text{even number}) = \qquad[/tex]
10. [tex] P(1, 2, 3, \text{ or } 4) = \qquad[/tex]


Sagot :

To solve the probabilities for the events related to rolling a die with sides numbered 1 to 6, we will determine the number of favorable outcomes divided by the total number of possible outcomes.

1. Let's start with determining the probability of rolling a 5:
[tex]\[ P(5) = \frac{\text{Number of outcomes that are 5}}{\text{Total number of outcomes}} \][/tex]
Since there is only one face with the number 5, and there are six sides in total:
[tex]\[ P(5) = \frac{1}{6} \approx 0.1667 \][/tex]

2. Now, let's find the probability of rolling a 1 or a 2:
[tex]\[ P(1 \text{ or } 2) = \frac{\text{Number of outcomes that are 1 or 2}}{\text{Total number of outcomes}} \][/tex]
Since there are two favorable outcomes (rolling a 1 or a 2):
[tex]\[ P(1 \text{ or } 2) = \frac{2}{6} = \frac{1}{3} \approx 0.3333 \][/tex]

3. Next, we calculate the probability of rolling an odd number:
[tex]\[ P(\text{odd number}) = \frac{\text{Number of odd number outcomes}}{\text{Total number of outcomes}} \][/tex]
The odd numbers on the die are 1, 3, and 5, which are three outcomes:
[tex]\[ P(\text{odd number}) = \frac{3}{6} = \frac{1}{2} = 0.5 \][/tex]

4. For the probability of rolling any number that is not a 6:
[tex]\[ P(\text{not 6}) = \frac{\text{Number of outcomes that are not 6}}{\text{Total number of outcomes}} \][/tex]
Since there are 5 numbers that are not 6 (i.e., 1, 2, 3, 4, 5):
[tex]\[ P(\text{not 6}) = \frac{5}{6} \approx 0.8333 \][/tex]

5. Let's determine the probability of rolling an even number:
[tex]\[ P(\text{even number}) = \frac{\text{Number of even number outcomes}}{\text{Total number of outcomes}} \][/tex]
The even numbers on the die are 2, 4, and 6, which are three outcomes:
[tex]\[ P(\text{even number}) = \frac{3}{6} = \frac{1}{2} = 0.5 \][/tex]

6. Finally, the probability of rolling a number that is either 1, 2, 3, or 4:
[tex]\[ P(1, 2, 3 \text{ or } 4) = \frac{\text{Number of outcomes that are 1, 2, 3 or 4}}{\text{Total number of outcomes}} \][/tex]
Since there are four outcomes (1, 2, 3, 4):
[tex]\[ P(1, 2, 3 \text{ or } 4) = \frac{4}{6} = \frac{2}{3} \approx 0.6667 \][/tex]

By summarizing our results, the probabilities are as follows:

5. [tex]\( P(5) = 0.1667 \)[/tex]
6. [tex]\( P(1 \text{ or } 2) = 0.3333 \)[/tex]
7. [tex]\( P(\text{odd number}) = 0.5 \)[/tex]
8. [tex]\( P(\text{not 6}) = 0.8333 \)[/tex]
9. [tex]\( P(\text{even number}) = 0.5 \)[/tex]
10. [tex]\( P(1, 2, 3 \text{ or } 4) = 0.6667 \)[/tex]