To earn some extra money Mrs. Runyan helps a carpenter. One week she earned $486 and the next week she earned $254. If Mrs. Runyan wanted to earn $545 about how much extra money did she earn? Show how you used estimation to find your answer.

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