Which of the following allows Facebook to track user behavior on other sites and then sell the information to marketers?

________ is presided over by a neutral adviser, but the settlement authority resides with senior executives of the disputing corporations

A) Non-binding arbitration B) Binding arbitration C) A minitrial D) Mediation

The price-earnings ratios of a sample of stocks have a mean value of 13.5 and a standard deviation of 2 . If the ratios have a bell shaped distribution, what can we say about the proportion of ratios that fall between

a. 11.5 and 15.5? b. 9.5 and 17.5? c. 7.5 and 19.5?