Question

M&M/MARS, makers of M&M Chocolate Candies, conducted a national poll in which more than 10 million people indicated their preference for a new color. The tally of this poll resulted in the replacement of tan-colored M&Ms with a new blue color. In the brochure "Colors," made available by M&M/MARS Consumer Affairs, the distribution of colors for the plain candies is as follows: Brown: 30% Yellow: 20% Red: 20% Orange: 10% Green: 10% Blue: 10% In a follow-up study, samples of 1-pound bags were used to determine whether the reported percentages were indeed valid. The following results were obtained for one sample of 500 plain candies: Color Observed Frequency Brown 175 Yellow 135 Red 80 Orange 40 Green 40 Blue 30 Use α = 0.05 and determine whether these data support the percentages reported by the company. Calculate the numerical value of the test statistic. Round your answer to three decimal places. 33. Use α = 0.05 and determine whether these data support the percentages reported by the company. How many degrees of freedom are there? 34. Use α = 0.05 and determine whether these data support the percentages reported by the company. True or False: The data in the sample support the percentages reported by the company.

          M&M/MARS, makers of M&M Chocolate Candies, conducted a national poll in which more than 10 million people indicated their preference for a new color. The tally of this poll resulted in the replacement of tan-colored M&Ms with a new blue color. In the brochure "Colors," made available by M&M/MARS Consumer Affairs, the distribution of colors for the plain candies is as follows:

Brown: 30%
Yellow: 20%
Red: 20%
Orange: 10%
Green: 10%
Blue: 10%

In a follow-up study, samples of 1-pound bags were used to determine whether the reported percentages were indeed valid. The following results were obtained for one sample of 500 plain candies:

Color Observed Frequency
Brown 175
Yellow 135
Red 80
Orange 40
Green 40
Blue 30

Use α = 0.05 and determine whether these data support the percentages reported by the company. Calculate the numerical value of the test statistic. Round your answer to three decimal places.

33. Use α = 0.05 and determine whether these data support the percentages reported by the company. How many degrees of freedom are there?

34. Use α = 0.05 and determine whether these data support the percentages reported by the company. True or False: The data in the sample support the percentages reported by the company.

Added by Juan Luis P.

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