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Identify the null and alternative hypotheses for the following problems.
a.The manager of a restaurant believes that it takes a customer no more than 25 minutes to eat lunch.
b.Economists have stated that the marginal propensity to consume is at least 90¢ out of every dollar.
c.It has been stated that 75 out of every 100 people who go to the movies on Saturday night buy popcorn.
Sympathy Note
A written message expressing feelings of condolence and support for someone who has experienced loss or misfortune.
Communication Channel
The medium through which information is transmitted from sender to receiver, such as email, phone, or face-to-face.
Customer Complaints
Feedback from customers expressing dissatisfaction with a product or service.
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Offering professional advice without charge, often as a way to introduce services or gain trust.
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