The percentage of various colours are different for the \"peanut\" variety of Ma

Question

The percentage of various colours are different for the "peanut" variety of Mars M&M; candies, as reported on the Mars, Inc. website. What Colours Come In Your Bag? 12% Brown Yellow 15% 12% Red 23% Blue Im Cm 23% Orange 15% Green A 400-gram bag of peanut M&Ms; is randomly selected and contains 72 brown, 88 yellow, 62 red, 116 blue, 106 orange, and 86 green candies. Do the data substantiate the percentages reported by Mars, Inc.? Use the appropriate test and describe the nature of the differences, if there are any. (Use a 0.05. Round your answers to three decima places

Explanation / Answer

1-2) null and alternate hypothesis: 1st option is correct

test statistic X2 =4.9494

Rejection region>11.0705

conclusion : Ho is not rejected . We concllude that the proportions re...are not substantiated...

observed Expected Chi square P O E=total*p =(O-E)^2/E Brown 0.12 72 63.60 1.11 Yelllow 0.15 88 79.50 0.91 red 0.12 62 63.60 0.04 Blue 0.23 116 121.90 0.29 Orange 0.23 106 121.90 2.07 Green 0.15 86 79.50 0.53 530 530 4.95

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