Anew sidewalk will be 6 feet wide, 300 feet long, and filled to a depth of 3 inches (0.25ft) with concrete. how many cubic yards of concrete are needed?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)