Skittles Original Fruit bite-size candies are multicolored candies in a bag, and you can "Taste the Rainbow" with their five colors and flavors; green, lime; purple, grape; yellow, lemon; orange, orange; and red, strawberry. Unlike some of the other multicolored candies, Skittles claims that their five colors are equally likely. In an attempt to reject this claim, a 4-oz bag of Skittles was purchased and the colors were counted:
Red Orange Yellow Green Purple
18 21 23 17 27
Does this sample contradict Skittles' claim at the 0.05 level?
a. Solve using the p-value approach.
b. Solve using the classical approach.