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A particular phone case comes in 6 different colors, and in the past all 6 colors have sold at approximately equal rates. The manufacturer is concemed that som colors are becoming more popular than others and is concerned that the production of the colors needs to be modified. In order to look into this, he randomly selects 120 of their sales from amazon.com that have occurred over the past month and records the color of the phone case. The results are below. Test the hypothesis that the colors no longer sell at equal rates. Use .05 as the level of significance. Sky Orange Blue Black White Pink Sage 18 15 26 20 21 20

A particular phone case comes in 6 different colors, and in the past all 6 colors have sold at approximately equal rates. The manufacturer is concemed that som colors are becoming more popular than others and is concerned that the production of the colors needs to be modified. In order to look into this, he randomly selects 120 of their sales from amazon.com that have occurred over the past month and records the color of the phone case. The results are below. Test the hypothesis that the colors no longer sell at equal rates. Use .05 as the level of significance. Sky Orange Blue Black White Pink Sage 18 15 26 20 21 20

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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A particular phone case comes in 6 different colors, and in the past all 6 colors have sold at approximately equal rates. The manufacturer is concermed that some colors are becoming more popular than others and is concerned that the production of the colors needs to be modified. In order to look into this, he randomly selects 120 of their sales from amazon.com that have occurred over the past month and records the color of the phone case. The results are below. Test the hypothesis that the colors no longer sell at equal rates. Use .05 as the level of significance. Black White Pink Sky Orange Sage Blue 18 15 26 20 21 20
Transcribed Image Text:A particular phone case comes in 6 different colors, and in the past all 6 colors have sold at approximately equal rates. The manufacturer is concermed that some colors are becoming more popular than others and is concerned that the production of the colors needs to be modified. In order to look into this, he randomly selects 120 of their sales from amazon.com that have occurred over the past month and records the color of the phone case. The results are below. Test the hypothesis that the colors no longer sell at equal rates. Use .05 as the level of significance. Black White Pink Sky Orange Sage Blue 18 15 26 20 21 20
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