1. A telephone solicitor is responsi ble for canvassing three suburbs. In the past, 60% of the completed calls to Belle Meade have resulted in contributions, compared Lo 55% for Oak Hill and 35% for Antioch. Her tist of telephone numbers ind udes one thousand households from Belle. Meade, one thousand from Oak Hill, and two thousand from Antioch. Suppose that she picks a num ber at random from the list and places the call. What is the probability that she gels a donation?
2. If men constitute 47% of the population and tell the truth 78% of the time, while women tell the t ru th 63% of the time, what. is 1.he probability that a person selected at random will answer a question truthfully?