# OM in the News: Amazon Delivery Aims Electric, But Employees Want More SEPTEMBER 21, 2019 by...

##### This exercise provides information about data in a survey of students. Of the students who identified...
This exercise provides information about data in a survey of students. Of the students who identified their class year in the survey, 91 were first years, 189 were sophomores, 71 were juniors, and 49 were seniors. Find p ^ , the proportion who are upperclass students (juniors or seniors.) Round your...
##### What is the derivative of sin^2(cos3x)?
What is the derivative of sin^2(cos3x)?...