Question

A poll of 500 randomly selected voter was recently minister responders rescue approve of president bush's policies relating to the war in Iraq? Suppose that we know that 40% of all registered voters approve the policies. How many voters would you expect to respond yes?

Answer 1

Take the total number of randomly selected voters, 500, and multiply it by the percentage who approved of his policies, 40%:

500 x .40 = 200 

So you could expect around 200 voters to respond yes.