1. n increasing number of consumers believe they have to look out for themselves in the marketplace. According to a survey conducted by the daily mail, 50% of all consumers have called an 800 or 900 telephone number for information about some product. Suppose a random sample of 20 consumers have called an 800 or 900 telephone number for information about some product?

1. A lawyer estimates that 40% of the cases in which he represented the defended were won. If the lawyer is currently representing 10 defendants in different cases, what is the probability that 5 of the cases will be won?

1. A Harris interactive survey for intercontinental hotel & resort asked respondents. "when traveling internationally, do you generally venture out on your own to experience culture, or stick with your tour group and itineraries ?" the survey found that 23% of the respondent stick with their tour group. In a sample of six international travelers, what is the probability that two will sick with their tour group?