12. Based on a population mean (u) of 20 and a population standard deviation (6) of 5, what is the probability of a getting a score between 10 and 15? (15 points) Hint: Draw a normal curve and shade the area you're interested in finding the probability for to determine which shaded sides of the unit normal table you need to pull numbers from. ​

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.

What is the binomial expansion of (2x-3)^5

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.