In Exercise 8.57, you investigated whether Mars, Inc., uses the same proportion of red M&M'S in its plain and peanut varieties. Random samples of plain and peanut M&M'S provide the following sample data for the experiment:

Use a test of hypothesis to determine whether there is a significant difference in the proportions of red candies for the two types of M&M'S. Let α = .05 and compare your results with those of Exercise 8.57.

Plain Peanut Sample Size Number of Red M&M'S 2 8 56 32