1. The marketing research department of an instant-coffee company conducted a survey of married men to determine the proportion who prefer their brand, Miyagi Instant Coffee, to the major brands on
the market. A random sample of 100 married men was gathered, and twenty of those men preferred
the company's brand to the alternatives in the survey. Use a 95%confidence interval to estimate the
proportion of all married men who prefer Miyagi over the major instant coffee brands. Be sure to
interpret your answer.