Assume that a simple random sample has been selected from a normally distributed population. Identify the null hypothesis, alternative hypothesis, test statistic, P-value ( or range of P-value), critical value(s),  conclusion about the null hypothesis, and final conclusion that addresses the original claim.  Listed below are measured amounts of lead (in micrograms per cubic meter, or μ g/m 3 ) in the air. 5.40      1.10     0.42     0.73     0.48    1.10      0.89    1.29 Use a 0.01 significance level to test the claim that the sample is from a population with a mean greater than 1.5  μ g/m 3.

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Assume that a simple random sample has been selected from a normally distributed population. Identify the null hypothesis, alternative hypothesis, test statistic, P-value ( or range of P-value), critical value(s),  conclusion about the null hypothesis, and final conclusion that addresses the original claim.

 Listed below are measured amounts of lead (in micrograms per cubic meter, or μ g/m 3 ) in the air.

5.40      1.10     0.42     0.73     0.48    1.10      0.89    1.29

Use a 0.01 significance level to test the claim that the sample is from a population with a mean greater than 1.5  μ g/m 3.

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