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Suppose that a hairstylist claims that 98.6% of 17-year old customers requesting braids are female. A sample randomstatistical sampleof 25 people, each of age 17,

Suppose that a hairstylist claims that 98.6% of 17-year old customers requesting braids are female. A sample randomstatistical sampleof 25 people, each of age 17, is selected. It is found that the average of female requests is 98.9% and the standard deviation is 2.1%. With a level of confidence of 5%, is there enough evidence to support what the hairstylist claims?

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