About 145 out of 500 students prefer walking instead of riding the bus to school. About what percent of the students prefer walking?

30%

50%

70%

145%

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.

Astore has 20% off sale of pants. whith this discount , the pricw of one pair of pants before tax is $15.20. what was the original price of the pants?

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/500