HELP

Two lines that do not intersect are skew. always sometimes or never

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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.