Assume that the random variable x is normally distributed, with mean mu equals 100 and standard deviation sigma equals 20. compute the probability p(xgreater than116). 0.2119 0.7881 0.2420 0.1977

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол