Let the sample space be $$ S=\{1,2,3,4,5,6,7,8,9,10\} $$. Suppose the outcomes are equally likely. Compute the probability of the event $$ E= $$ "an even number." $$ P(E)=\square $$ (Type an integer or a decimal. Do not round.)

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1. The sample space is given by 
   $$
   S = \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\}.
   $$
   
2. The number of elements in $$ S $$ is 10.

3. The event $$ E $$ is "an even number." The even numbers in $$ S $$ are:
   $$
   \{2, 4, 6, 8, 10\}.
   $$
   
4. There are 5 outcomes in $$ E $$.

5. Since the outcomes are equally likely, the probability of event $$ E $$ is calculated by:
   $$
   P(E) = \frac{\text{number of outcomes in } E}{\text{number of outcomes in } S} = \frac{5}{10} = 0.5.
   $$

Thus, 
$$
P(E) = 0.5.
$$
The probability of event $$ E $$ is 0.5.

Let the sample space be \( S=\{1,2,3,4,5,6,7,8,9,10\} \). Suppose the outcomes are equally likely. Compute the probability of the event \( E= \) "an even number." \( P(E)=\square \) (Type an integer or a decimal. Do not round.)

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