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.The mean life span of caterpillars before becoming butterflies is 4.75 months with a population standard deviation of 0.39 months.A caterpillarologist thinks the average life
.The mean life span of caterpillars before becoming butterflies is 4.75 months with a population standard deviation of 0.39 months.A caterpillarologist thinks the average life span of monarch caterpillars is different from 4.75 months.The scientist collects a sample of 50 monarch caterpillars that have a mean life span of 4.85 months.Test the claim at = .01.
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