Question

In an Experiment, if the Probability of an event occuring is 1/4 , find the probability of same event not occuring.​

Answer 1

Answer:

3/4 ( just subtract it from 1)

Step-by-step explanation:

hope it helps

Answer 2

Answer:

Step-by-step explanation:

Here P(A)=0.4 and P( A)=1−0.4=0.6

probability that the event A happens at least once  =1−P (event a does not happen in all three trials) =1−0.6×0.6×0.6=0.784