Use the Basic Rules and Definitions of Probability

Multiple Choice

Use the basic rules and definitions of probability.
-During its grand opening week, Stickler's bicycle shop offers a "wheel of discount
Savings." After customers select the items they wish to purchase, they spin the wheel to
Determine the discount they will receive. The wheel is divided into 12 slices. Six slices
Are red and award a 10% discount, three slices are white and award a 20% discount, and
Two slices are blue and award a 40% discount. The remaining slice is gold and awards a
100% discount! The probability that a customer gets at least a 40% discount is

A) 3 / 12
B) 2 / 12
C) .0625
D) 9 / 12
E) 10 / 12