Demonstrate two different expressions to solve the problem. Please answer by September 7th Olivia and Imani read 3 books a week at school. Imani also reads a book every weekend. How many books (b) will Olivia and Imani read in 4 weeks?

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.