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A carpet company advertises that it will deliver your carpet within 15 days of purchase. a sample of 49 past customers is taken. the average delivery time in the sample was 16.2 days. an estimated sample standard deviation is known to be 5.6 day. test if the advertisement is accurate. what are the hypotheses needed to answer this question?

Respuesta :

The Hypotheses required to answer the question on advertisement are; Null Hypothesis; H₀: μ ≤ 15 and Alternative Hypothesis; Hₐ: μ > 15

What are the Hypotheses?

We are given;

Population mean; μ = 15

Sample mean; x' = 16.2

Sample standard deviation; s = 5.6

Sample Size; n = 49

Now, we want to test if the advertisement is accurate. Thus, defining the hypotheses we have;

Null Hypothesis; H₀: μ ≤ 15

Alternative Hypothesis; Hₐ: μ > 15

Read more about Hypothesis at; https://brainly.com/question/14182690

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