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
icon
Related questions
Topic Video
Question
13
GreenBeam Ltd, claims that 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 about the mean.
a Ha 2329 mg vs. H u<3.29 mg
b Hous3.29 mg vs. Hị u>329 mg
c H =329 mg vs. H p+3.29 mg
eBook
Hirt
sterences
(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 O1) 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
Transcribed Image Text:13 GreenBeam Ltd, claims that 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 about the mean. a Ha 2329 mg vs. H u<3.29 mg b Hous3.29 mg vs. Hị u>329 mg c H =329 mg vs. H p+3.29 mg eBook Hirt sterences (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 O1) 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
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 4 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax