Essay
Life span
Research has claimed that the average life span of a male mosquito is 15 days.To test this claim,the life spans of 20 male mosquitos were observed to have an average of 16.5 days and a standard deviation of 2.2 days.Assume that the life spans are normally distributed and set = 0.05.
-State your conclusion.
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Since t = 3.05,we reject the n...View Answer
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