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The claim is that weights (grams) of quarters made after 1964 have a mean equal to 5.670 g as required by mint specifications. The sample
The claim is that weights (grams) of quarters made after 1964 have a mean equal to 5.670 g as required by mint specifications. The sample size is n = 40 and the test statistic is t= - 2.826. Use technology to find the P-value. Based on the result, what is the final conclusion? Use a significance level of 0.01. . . . State the null and alternative hypotheses. Ho: H H : H (Type integers or decimals. Do not round.)The claim is that smokers have a mean cotinine level greater than the level of 2.84 ng/mL found for nonsmokers. (Cotinine is used as a biomarker for exposure to nicotine. ) The sample size is n = 730 and the test statistic is t= 54.651. Use technology to find the P-value. Based on the result, what is the final conclusion? Use a significance level of 0.10 . . . State the null and alternative hypotheses. Ho : H H : H (Type integers or decimals. Do not round.)The claim is that for 7 AM body temperatures of males, the mean is less than 98.6"F. The sample size is n = 32 and the test statistic is t= - 3.164. Use technology to find the P-value. Based on the result, what is the final conclusion? Use a significance level of 0.05. State the null and alternative hypotheses. Ho : H H : H (Type integers or decimals. Do not round. Do not include the degree symbol in your answer.)
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