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A researcher wants to support the claim that wearing earplugs will reduce the chance of hearing loss

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A researcher wants to support the claim that wearing earplugs will reduce the chance of hearing loss. The researcher conducted the appropriate 2 population t-test with a treatment and control group and got a p-value less than a significance level of 5%. The researcher then claimed with 95% confidence that wearing earplugs will reduce the chance of hearing loss. Is this reasoning valid?

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