The diameters of cylinders form a normal distribution with the mean of 5cm and the standard deviation of 0.2cm. Katie ordered a cylinder from this population and the store manager told her that the cylinder she ordered is bigger than average in size. The manager specifically mentioned that her cylinder would be in the upper 10% in its size (diameter). What is the possible lowest diameter of Katie's cylinder

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%