GreenBeam Ltd, claims thet its compact fluorescent bulbs average no more than 3.29 mg of mercury A sample of 25 bulbs shows a mean of 3.36 mg of mercury (e) State the hypotheses for a right-tailed test, using GreenBeam's claim as the null hypothesis ebout the mean a. He 329 mg vs. H u<3.29 mg b HoHs3.29 mg vs. H >3.29 mg c H 329 mg vs H p3.29 mg Oe (b) Assuming e known standerd deviation of 0.21 mg, calculate the z test statistic to test the manufacturer's claim. (Round your answer to 2 decimal pleces.) Test statistic (e) At the 1 percent level of significance (a 01) does the sample exceed the manufacturer's claim? No O Yes (d) Find the pvalue (Round intermediate calculations to 2 decimal places. Round your answer to 4 decimal pleces.) Pvalue
GreenBeam Ltd, claims thet its compact fluorescent bulbs average no more than 3.29 mg of mercury A sample of 25 bulbs shows a mean of 3.36 mg of mercury (e) State the hypotheses for a right-tailed test, using GreenBeam's claim as the null hypothesis ebout the mean a. He 329 mg vs. H u<3.29 mg b HoHs3.29 mg vs. H >3.29 mg c H 329 mg vs H p3.29 mg Oe (b) Assuming e known standerd deviation of 0.21 mg, calculate the z test statistic to test the manufacturer's claim. (Round your answer to 2 decimal pleces.) Test statistic (e) At the 1 percent level of significance (a 01) does the sample exceed the manufacturer's claim? No O Yes (d) Find the pvalue (Round intermediate calculations to 2 decimal places. Round your answer to 4 decimal pleces.) Pvalue
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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