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A manufacturer of automatic washers provides a particular model in one of three colors. Of the...

A manufacturer of automatic washers provides a particular model in one of three colors. Of the first 1000 washers sold it is noted that 400 were of the first color. Can you conclude that less than one third of all the customers have a preference for this color? Conduct the test with a significance level of 0.05.

Math   Statistics-And-Probability   
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