Identify the null and alternative hypotheses for the following problems.
a.The manager of a restaurant believes that it takes a customer less than or equal to 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.
What will be an ideal response?
| a. | H0: ? 25 |
| Ha: ?> 25 | |
| b. | H0: p .9 |
| Ha: p< .9 | |
| c. | H0: p = .75 |
| Ha: p? .75 |
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