Recently, 18.3% of visitors to the travelocity web site hailed from the google search engine. a random sample of 130 visitors on the travelocity web site was selected. the standard error of the proportion is

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.