Of 100 electrical relays produced at a factory, on average 1 is defective. In a production run of 500 electrical relays, what is the probability that the number of defective relays is at most 2

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Item 1 solve for s. s+24=90 −114 −66 66 114

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.