Q. Over the past few years, banks have strongly promoted online banking also the paying of bills online. In 2003, about 50% of internet users paid bills online. In a recent survey of 250 internet users, 150 said which they pay bills online. At the 5% level of significance, test whether the proportion of internet users paying bills online is now more than 50%.
Q. Suppose you have been asked to estimates the effectiveness of the police department in a medium sized community. Where would you begin also explain how would you proceed? Illustrate what effectiveness approach would you prefer?