All possible random samples of 200 middle managers are selected from a population for a study concerning their mean annual income. The population standard deviation is computed to be $2,248.5

To completely avoid the risk of default, investors can invest in Treasury bonds or A-rated corporate bonds

Indicate whether the statement is true or false.

A company that creates education products is planning to create a suite of books to help customers prepare for high-stakes tests for entry into college and grad school. They have 33 in-house writers to create these books

Book NPV Number of writers needed Prep for the College Entry Test $800,000 24 Prep for the Dental School Entry Test $250,000 8 Prep for the Grad School Entry Test $450,000 12 Prep for the Law School Entry Test $320,000 9 Prep for the Medical School Entry Test $400,000 10 Due to the expertise needed in creating this content it will not be possible to hire temporary writers within the planned time-frame. Which projects should be undertaken? A) Prep for the College Entry Test and Prep for the Law School Entry Test B) Prep for the College Entry Test and Prep for the Grad School Entry Test C) Prep for the Dental School Entry Test, Prep for the Grad School Entry Test, and Prep for the Medical School Entry Test D) Prep for the Grad School Entry Test, Prep for the Law School Entry Test, and Prep for the Medical School Entry Test