A political candidate is told by his polling organization that a 90% confidence interval for the proportion of voters who support his candidacy is 0.49 + 0.05. What are the point estimate and margin...

Extracted text: A political candidate is told by his polling organization that a 90% confidence interval for the proportion of voters who support his candidacy is 0.49 + 0.05. What are the point estimate and margin of error for this interval? Point estimate = 0.44; margin of error = 0.05 Point estimate = 0.49; margin of error = 0.10 Point estimate = 0.44; margin of error = 0.10 Point estimate = 0.49; margin of error = 0.05 a b d.