Julio is selecting a random sample of people for a newspaper artical. which elements are important for Julio to consider when choosing a random sample? select three options.

Awork system has five stations that have process times of 5, 9, 4, 9, and 8. what is the throughput time of the system?

How many grams the dog will eat in 3 days?

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.