The probability of an event must be less than or equal to .

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Solution

The correct option is A 1
The probability of any event $E$ is given by:

$P (E) = \frac{N u m b e r o f f a v o r a b l e o u t c o m e s}{T o t a l n u m b e r o f o u t c o m e s}$

Since the number of favorable outcomes can never be more than the total number of outcomes, the probability of any event $E$ must be less than or equal to $1$ .

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