1. During an experiment, a fair die is tossed. The results appear in the table shown. a) Based on this data, what is the empirical probability of tossing a 2?
b) What is the theoretical probability of tossing 2? ​

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.