Asystem has two failure modes. one failure mode, due to external conditions, has a constant failure rate of 0.07 failures per year. the second, attributed to wear out, has a weibull distribution with a characteristic life of 10 yr and a shape parameter of 1.8. determine the system value design life of 1 year find by trail and error the median the time to failuer?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.