A Manufacturer Claims That at Least 40% of Its Customers

question 7

Essay

A manufacturer claims that at least 40% of its customers use coupons. A study of 25 customers is undertaken to test that claim. The results of the study follow: $$\begin{array} { l l l l l } y e s & \text { no } & \text { no } & \text { yes } & y \text { es } \\\text { no } & \text { yes } & \text { no } & \text { no } & \text { yes } \\\text { no } & \text { no } & \text { no } & \text { no } & \text { yes } \\\text { no } & \text { no } & \text { no } & \text { no } & \text { yes } \\\text { no } & \text { no } & \text { yes } & \text { no } & \text { yes }\end{array}$$ At a .05 level of significance, use Excel to test the manufacturer's claim.

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Definitions:

Subject-Matter Jurisdiction

The authority of a court to hear and decide cases of the specific nature outlined in its jurisdiction.

Original

Pertaining to the first, earliest, or initial form or version of something, often considered authentic and genuine.

Alternative Dispute Resolution

A range of processes and techniques designed to resolve disputes outside of the courtroom, including mediation and arbitration.

Court Trials

Formal judicial processes where evidence is presented and examined to determine the guilt or innocence of a defendant in a court of law.