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Among a sample of 65 students selected at random from one college, the mean number of siblings is 1.2 with a standard deviation of 1.3 Find the 95% confidence interval. Round to two decimal places.
A poll of 1,100 voters in one district showed that 49% of them would favor stricter gun control laws. Find the 95% confidence interval for the population proportion favoring stricter gun control laws. Round to four decimal places.
when marginal revenue is negative for a linear demand function, increases in output will cause total revenues to:
increase
decrease
remain unchanged
there is not sufficient information to classify the elasticity of demand
Suggest how a particular policy tool (monetary/fiscal policy) might be used to improve economic activity including output and employment or the price level.
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