Randomly selected nonfatal occupational injuries and illnesses are categorized according to the day of week that they first occurred, and the…

13. Randomly selected nonfatal occupational injuries and illnesses are categorized according to the day of week that they first occurred, and the results are listed below. Use a .05 significance level and that such injuries and illnesses occur with equal frequency on the weekend. State the null and alternative hypotheses, the pvalue, and conclusion.

Day                  Fri   Sat    Sun

Number            21   19    10

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