Professor ivy collects data on the time it takes for ivy tech students to travel to school. she find that she can model the data with the normal distribution. the mean commute time is 27.5 minutes with a standard deviation of 5.2 minutes. what is the interval of commute times for the middle 68% of students?

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

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?