Do it within 20 minutes

4. Suppose that, from past experience, Klarifye Research, LLC, knows that a population of witbugs has a normal distribution with a mean weight of 250 g and a standard deviation of 15. If you use a table you must state the name of the table. If you use a calculator or computer utility, you must type in the calculator/computer function you used. a) (5 points) What is the probability that a witbug will have a weight greater than 270 g? Provide a numeric answer. You must show all of your steps or explain how you got to your answer to receive full credit. b) (5 points) What weight would be the 85 percentile? Give a numeric answer rounded to 2 decimal places. You must show all of your steps to receive full credit