Melissa L.

Scores on a collage entrance examination are normally distributed with a mean of 500 and a stranded deviation of 100. What percent of people who write this exam obtain scores between 350 and 650?A.... more

My grades on my first 4 math tests were 76, 86, 87, and 90. I want my mean (average) to be at least 87. What would I need to score on test #5 to earn a mean of at least 85? I need to set up and... more

the revenue function of a school group selling n bookmarks is given by P(n)= 2n and the total cost function is given by C(n)= 144+0.80na) determine the simplified equation for P(n), the profit... more