belljeremiah75
contestada

given a set of numbers n= {1,3,4,5,7}. if event a is the drawing of a number less than 4 and event b is the drawing of an even number, what is the probability that either event a or b will occur?

Respuesta :

irspow
a OR b means that you add the individual probabilities...

P(<4)=2/5 and P(even)=1/5 so

P(<4 or even)=3/5