A set of 20 cards is numbered 1,2,3,…..,20. Suppose one person draws

1.	A set of 20 cards is numbered 1,2,3,…..,20. Suppose one person draws a card atrandom without looking. Find the probability of the following events. Write your answer as a fraction in simplest form.(a) P(multiple of 3) (b) P( 2 or 6) (c) P (not a factor of 10)
Answer» (a) 6/20 =3/10 (B)2/20 =1/10 (C) 4/20 =1/5

A set of 20 cards is numbered 1,2,3,…..,20. Suppose one person draws a card atrandom without looking. Find the probability of the following events. Write your answer as a fraction in simplest form.(a) P(multiple of 3) (b) P( 2 or 6) (c) P (not a factor of 10)

Answer»

(a) 6/20

=3/10

(B)2/20

=1/10

=1/5