Recently,a Case of Food Poisoning Was Traced to a Particular $\left[ \begin{array} { l l } .059 & .122\end{array} \right]$

question 90

Multiple Choice

Recently,a case of food poisoning was traced to a particular restaurant chain.The source was identified and corrective actions were taken to make sure that the food poisoning would not reoccur.Despite the response from the restaurant chain,many consumers refused to visit the restaurant for some time after the event.A survey was conducted three months after the food poisoning occurred,with a sample of 319 patrons contacted.Of the 319 contacted,29 indicated that they would not go back to the restaurant because of the potential for food poisoning.Construct a 95 percent confidence interval for the true proportion of the market who still refuse to visit any of the restaurants in the chain three months after the event.

• A) \(\left[ \begin{array} { l l }
• .059 & .122
• \end{array} \right]\)
• B) \([ .090 \quad .091 ]\)
• C) \([ .000 \quad .196 ]\)
• D) \([ .240 \quad .339 ]\)
• E) \(\left[ \begin{array} { l l }
• .118 & .244
• \end{array} \right]\)

Understand the significance of product differentiation and advertising in shaping market competition.

Analyze the effects of collusion and tacit collusion on market outcomes and pricing strategies.

Comprehend the consequences of firm behavior such as price setting and strategic product placement on industry competition.

Identify the factors that make collusion more difficult or easier in an oligopoly context.

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