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Calculate the (modeled) probability P(E) using the given information, assuming that all outcomes are equally likely.
n(S) = 10, n(E) = 5


Sagot :

The probability \( P(E) \) of an event \( E \) occurring is given by the ratio of the number of favorable outcomes \( n(E) \) to the total number of possible outcomes \( n(S) \).

Given:
- \( n(S) = 10 \) (total number of possible outcomes)
- \( n(E) = 5 \) (number of favorable outcomes)

The formula for probability is:

\[ P(E) = \frac{n(E)}{n(S)} \]

Substituting the given values:

\[ P(E) = \frac{5}{10} = \frac{1}{2} = 0.5 \]

So, the probability \( P(E) \) is \( 0.5 \).