Question

if an event A can happen in m ways and fail to happen in n ways . the probability of an event not happening is​

Answer 1

The correct answer is n/n+m

Step-by-step explanation:

Since the probability for the event to happen is m

And the probability of not to happen is n

The total number of probability of happening and not happening is m+n

Now

To calculate the probability of the event not to happen out of all possible outcomes is given by

n/(n+m)

learn more about probability from the link below

https://brainly.com/question/13604758

Answer 2

Answer:

the answer is n\n+m.

HOPE THIS ANSWER HELPS YOU.......