A Carpet Company Advertises That It Will Deliver Your Carpet

question 124

Essay

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.The standard deviation of the population (σ) is known to be 5.6 days.
a.
State the null and alternative hypotheses for a test to determine if their advertisement is legitimate.
b.
Using the critical value approach, test the hypotheses.Let α = .05.
c.
Using the p-value approach, test the hypotheses at the 5% level of significance.

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Definitions:

Sale of Land

A legal transaction where ownership of a piece of real estate is transferred from the seller to the buyer, according to agreed terms.

Real Property

Land and anything permanently attached to it, such as buildings and structures, recognized by law.

One-Year Rule

A legal principle stating certain contracts must be in writing if they cannot be performed within one year.

Oral Promise

A commitment or agreement conveyed through spoken words rather than in written form, which may or may not be legally binding.