Twenty Economists Were Sampled and Asked to Predict If the National

question 24

Multiple Choice

Twenty economists were sampled and asked to predict if the national economy would improve during the next 12 months. Eleven of the economists predicted an increase,two economists predicted no change,and seven economists predicted a decrease in the economy. Conduct a hypothesis test at the 0.10 significance level to determine if the majority of economists predict an increase. The correct analysis would be a ________.

• A)sign test based on the binomial distribution
• B)sign test based on the standard normal distribution
• C)chi-square test
• D)Wilcoxon signed-rank test

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Definitions:

Dominant Strategy

A strategy in game theory that is the best for a player to follow, regardless of what the opponent does.

Maximin Strategy

A decision-making rule used in uncertain situations, aiming to select the option with the least possible loss or the maximum of the minimum gains.

Dominant Strategy

A strategy that is the best for a player in a game, regardless of the strategies chosen by other players.

Stackable Discounts

The ability to apply multiple discounts in succession to an initial price, cumulatively reducing the final cost.