A health magazine reported that 34% of adult males smoke cigarettes.A competing magazine thinks this claim is false.To test this claim, they select 40 adult males at random and record if they smoke cigarettes.They calculate a 99% confidence interval for the proportiom of adult males who smoke and fimd it is 0.20 to 0.32.

a.Interpret the confidence interval.

b.Calculate the point estimate and margin of error used to find the confidence interval.

c.Based on the confidence interval, is it plausible that the true proportion of adult males who smoke cigarettes is 34%? Explain.