Estimate the size of a crowd standing along a half mile section of a
parade route that is 5 feet deep on one side of the street and 10 feet
deep on the opposite side of the street. Assume that each person
occupies 2.5 square feet. ** 5280 feet = 1 mile

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)