A dice is rolled once. Find the probability of an even number showing up as a decimal and as a percentage.

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Here is the solution to the probability problem.

:
A die is rolled once. Find the probability of an even number showing up. Express the probability as a decimal and as a percentage.

Identify the total possible outcomes when rolling a standard die.
The possible outcomes are $\{1, 2, 3, 4, 5, 6\}$ .
The total number of outcomes is 6.
Identify the favorable outcomes (even numbers).
The even numbers in the set of outcomes are $\{2, 4, 6\}$ .
The number of favorable outcomes is 3.
Calculate the probability of rolling an even number.
$P(\text{even number}) = \frac{\text{Number of even numbers}}{\text{Total number of outcomes}}$ $P(\text{even number}) = \frac{3}{6}$ $P(\text{even number}) = \frac{1}{2}$
The probability of an even number showing up is $\boxed{\frac{1}{2}}$ .
Express the probability as a decimal.
$\frac{1}{2} = 0.5$
The probability as a decimal is $\boxed{0.5}$ .
Express the probability as a percentage.
$0.5 \times 100\% = 50\%$
The probability as a percentage is $\boxed{50\%}$ .

2 zimekamilika. Zimebaki 3 leo — tuma inayofuata.

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