1. a u. s. student studied abroad in zürich, switzerland. when he arrived in zürich in january 2005, he exchanged $20,000 for swiss francs when the exchange rate of usd/chf (u. s. dollars to swiss francs) was 1.15. when he left zürich in january 2006, the exchange rate was 1.30. if he had started his year abroad in january 2006 instead of january 2005, would he have gotten more or fewer francs? what is the exact difference?

A. the following events are mutually exclusive: living in california and watching american idol. true or false b. the number of patients seen by an outpatient practice is an example of a discrete random variable. true or false c.the law of large numbers states that as the number of times an event experiment is conducted increases, the likelihood of the actual probability of an event approaching the theoretical probability decreases. true or false d. measuring the time it takes for patients to enter the operating room is an example of a continuous random variable. true or false