Question

A bag contains 7 black, 5 red and 3 green pens. One pen is drawn from the bag at random. Find the

probability that the pen drawn is (i) Red or Green (ii) Red and Green. please it's an urgent​

Answer 1

Answer:

(1) 8/15

(2) 8/15

this is your answer

Answer 2

Answer:

Total pen=7+5+3

=15

Red pen=5

Green pen=3

Probality of red pen is= 5/15 or 5÷15

=1/3 or 3 by 1

Probality of green pen is=3/15

=1/5 or 5 by 1

1.Red or green=1/3+1/5

=8/15

2.Red and green=1/3-1/5

=2/15

I am not sure. But I know that,

Or= Union

And= Intersection