Question

A marble is selected at random from a jar containing 2 red​ marbles, 3 yellow​ marbles, and 5 green marbles. what is the probability that ​a) the marble is​ red? ​b) the marble is not​ yellow? ​c) the marble is either red or ​green? ​d) the marble is neither red nor ​green?

Answer 1

a) 1/5
b) 7/10
c) 7/10
d) 3/10