Question

A company claims that its heaters last more than 5 years. Write the null and alternative...

A company claims that its heaters last more than 5 years. Write the null and alternative hypotheses and note which is the claim.

A. Ho: μ = 5 (claim), Ha: μ ≥ 5

B. Ho: μ ≤ 5, Ha: μ > 5 (claim)
C. Ho: μ > 5 (claim), Ha: μ ≤ 5

D. Ho: μ ≤ 5, Ha: μ < 5 (claim)

Math   Statistics-And-Probability   
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Answer #1

Option-B) Ho: μ ≤ 5, Ha: μ > 5 (claim)

Because we are intersted on whether heaters last more than 5 year

                                                                                                                      

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