At a graduation dinner, an equal number of guests was seated at each of 4 large tables, and 6 late-arriving guests were seated at a smaller table. There were 54 guests in all. If n represents the number of people seated at each of the large tables, what equation could you use to find the value of n?

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?

Which shows the graph of the solution set of 3y – 2x > –18?

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?