A Survey Claims That 7 Out of 10 Customers Recommend

question 13

Essay

A survey claims that 7 out of 10 customers recommend Western Drugs for pharmacy
issues. To test this claim, a random sample of 100 customers is obtained from the list of
rewards customers. Of these 100 customers, 75 indicate that they recommend using
Western Drugs for pharmacy needs. We would like to know if this claim is accurate.
Use alpha = 0.05
A. Write the null and alternative hypotheses.
b. Let's perform a one sample z-test for proportions: What is the value of the test statistic?
c. What is the associated P-value?

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Definitions:

Successful Monitoring

The effective observation and regulation of one's behavior, environment, or processes to ensure desired outcomes are achieved.

Self-Regulation

The process by which individuals control their thoughts, emotions, and behaviors to achieve long-term goals.

Willpower Exercises

Practices designed to strengthen one's ability to resist short-term temptations in order to meet long-term goals.

Willpower Resources

The mental energy or strength used to exert self-control or make choices aligned with personal goals and values.