Question

Upon request, the Mars Company (the maker of M&M's) will provide the color distribution for their candies. As of August 2009, they noted that "Our color blends were selected by conducting consumer preference tests, which indicate the assortment of colors that pleased the greatest number of people and created the most attractive overall effect. On average, our mix of colors for M&M'S CHOCOLATE CANDIES is: M&M'S MILK CHOCOLATE: 24% cyan blue, 20% orange, 16% green, 14% bright yellow, 13% red, 13% brown." Data collected from a bag of Milk Chocolate M&M's are provided. Blue Brown Green Orange Red Yellow 110 47 52 103 58 50 We want to determine if this sample provides evidence that the color distribution has changed since August 2009. Reference: 7-10 Find the expected counts for each color using the sample size (420 total candies) and null hypothesis.

          Upon request, the Mars Company (the maker of M&M's) will
provide the color distribution for their candies. As of August
2009, they noted that
"Our color blends were selected by conducting consumer
preference tests, which indicate the assortment of
colors 
that pleased the greatest number of people and created the most
attractive overall effect. 
On average, our mix of colors for M&M'S CHOCOLATE CANDIES
is: 
M&M'S MILK CHOCOLATE: 24% cyan blue, 20% orange, 16% green,
14% bright yellow, 13% red, 13% brown." 
Data collected from a bag of Milk Chocolate M&M's are
provided. 
Blue
Brown
Green
Orange
Red
Yellow
110
47
52
103
58
50
We want to determine if this sample provides evidence that the
color distribution has changed since August 2009.
Reference: 7-10
Find the expected counts for each color using the sample size (420
total candies) and null hypothesis.

Added by Enrique M.

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