How do you find probability of a number
The probability of a number is typically calculated by dividing the number of times the event of interest occurred by the total number of possible outcomes. For example, if you want to find the probability of rolling a 5 on a fair six-sided die, the probability would be 1/6 since there is one outcome of rolling a 5 out of six possible outcomes. Similarly, if you want to find the probability of drawing a red card from a standard deck of playing cards, the probability would be 26/52 (or 1/2) since there are 26 red cards out of a total of 52 cards.
To find the probability of a number, you need to know the total number of possible outcomes and the number of favorable outcomes.
The formula to calculate probability is:
Probability = (Number of Favorable Outcomes) / (Total Number of Possible Outcomes)
Here is an example to illustrate the process:
Let's say you want to find the probability of rolling a 3 on a standard six-sided die.
Step 1: Determine the total number of possible outcomes.
For a standard six-sided die, there are six possible outcomes: 1, 2, 3, 4, 5, 6.
Step 2: Determine the number of favorable outcomes.
In this case, the favorable outcome is rolling a 3. So the number of favorable outcomes is 1.
Step 3: Calculate the probability.
Using the formula, the probability of rolling a 3 can be calculated as:
Probability = 1 (Number of Favorable Outcomes) / 6 (Total Number of Possible Outcomes) = 1/6
Therefore, the probability of rolling a 3 on a standard six-sided die is 1/6.