Homework: Week 7 Homework 40 pts Score: 0 of 4 pts 7.2.28-T 8 of 16 (8 complete)

Question

Homework: Week 7 Homework 40 pts Score: 0 of 4 pts 7.2.28-T 8 of 16 (8 complete) Use technology to help you test the claim about the population mean at the given level of significance, using the given sample statistics. Assume the population is normally distributed. Claim: > 1160: = 0.02: = 198.26. Sample statistics: x= 1182.06, n = 250 Identify the null and alternative hypotheses. Choose the correct answer below A. Ho: > 1182.06 Ha : 1 182.06 O B. Ho:Hs 1160 O D. Ho: Hs 1182.06 OF. Ha H> 1160 OC. HOH> 1160 Ha : 1160 E. HOH2 1182.06 Ha: 1182.06 Hope1160 Ha :

Explanation / Answer

First of all, we are concerned about population, so mu(1160) will appear in null and alternative hypothesis, so only B, C and F can be answer. Now, null hypothesis always refers to no-change/status quo condition, So null hyothesis should be Ho:u<=1160 and Ha >1160 . Hence, B

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