Identify the null and alternative hypotheses for the following problems. (Enter != for + as needed.) (a) The manager of a restaurant believes that it takes a customer less than or equal to 22 minutes...

Extracted text: Identify the null and alternative hypotheses for the following problems. (Enter != for + as needed.) (a) The manager of a restaurant believes that it takes a customer less than or equal to 22 minutes to eat lunch. (Give your hypotheses in minutes.) Ho: H (b) Economists have stated that the marginal propensity to consume is at least 85¢ out of every dollar. Ho: (c) It has been stated that 78 out of every 100 people who go to the movies on Saturday night buy popcorn.