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A company wants to test the claim that their batteries last more than 40 hours. Using a simple random sample of 18 batteries yielded the following battery life: 35 54 36 50 53 42 37 51 37 40 55 45 45 42 52 45 39 47 Test this claim using a significance level of 0.01. What is the value of t-critical? (Answer in 2 decimal place) Your answer What is the test statistic? (Answer in 1 decimal place) Your answer What is the decision? Reject the null hypothesis O Fail to reject the null hypothesis

A company wants to test the claim that their batteries last more than 40 hours. Using a simple random sample of 18 batteries yielded the following battery life: 35 54 36 50 53 42 37 51 37 40 55 45 45 42 52 45 39 47 Test this claim using a significance level of 0.01. What is the value of t-critical? (Answer in 2 decimal place) Your answer What is the test statistic? (Answer in 1 decimal place) Your answer What is the decision? Reject the null hypothesis O Fail to reject the null hypothesis

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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A company wants to test the claim that their batteries last more than 40 hours. Using a simple random sample of 18 batteries yielded the following battery life: 35 54 36 50 53 42 37 51 37 40 55 45 45 42 52 45 39 47 Test this claim using a significance level of 0.01. What is the value of t-critical? (Answer in 2 decimal place) Your answer What is the test statistic? (Answer in 1 decimal place) Your answer What is the decision? Reject the null hypothesis Fail to reject the null hypothesis
Transcribed Image Text:A company wants to test the claim that their batteries last more than 40 hours. Using a simple random sample of 18 batteries yielded the following battery life: 35 54 36 50 53 42 37 51 37 40 55 45 45 42 52 45 39 47 Test this claim using a significance level of 0.01. What is the value of t-critical? (Answer in 2 decimal place) Your answer What is the test statistic? (Answer in 1 decimal place) Your answer What is the decision? Reject the null hypothesis Fail to reject the null hypothesis
What is the null hypothesis? What is the alternative hypothesis? Ho μ < 40 Ho: µ < 40 Ho μ- 40 Ha σE 40 Ο H: μΕ 18 H: σ< 40 Ο Hμ#40 H: μ= 40 Ο H& σ= 40 H: σ> 18 Ο H: μ 18 H: μ= 18 Hi: μ > 40 H: μ+ 18 Ο H: μ< 40 H:: p > 18 Ο H: μέ 18 H μ>18 H: σ< 40 Ho: H # 40 Ο H: σ> 18 Ha: σ 18 Ho: μ >18 H:: μ< 40 H: μ= 40 Ho μ- 40 Ο H& σ= 18 H: μ > 40 Ο Hεμε 18 H μ= 18 |
Transcribed Image Text:What is the null hypothesis? What is the alternative hypothesis? Ho μ < 40 Ho: µ < 40 Ho μ- 40 Ha σE 40 Ο H: μΕ 18 H: σ< 40 Ο Hμ#40 H: μ= 40 Ο H& σ= 40 H: σ> 18 Ο H: μ 18 H: μ= 18 Hi: μ > 40 H: μ+ 18 Ο H: μ< 40 H:: p > 18 Ο H: μέ 18 H μ>18 H: σ< 40 Ho: H # 40 Ο H: σ> 18 Ha: σ 18 Ho: μ >18 H:: μ< 40 H: μ= 40 Ho μ- 40 Ο H& σ= 18 H: μ > 40 Ο Hεμε 18 H μ= 18 |
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