Suppose 45% of people in georgia support a special transportation tax. alejandro is not confident that this claim is correct. to investigate the claim, he surveys 150 people in his community and discovers that 48 people support a special transportation tax. calculate alejandro's sample proportion. p. give your answer precise to two decimal places. p = calculate the standard error of the sample proportion. se. give your answer precise to three decimal places. se = calculate the standard error of the sample proportion estimate, se_ give your answer precise to three decimal places. se_