Julie brought 3 bags of sugar. she got a total of 9 1/2 bags of sugar. how many cups of sugar were in each bag. plz and explain

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

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.

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?