Problem 6-27 A project manager is creating the design for a new engine. He judges that there will be a 50-50 chance that it will have high-energy (H) consumption instead of low (L). Historically, 15% of all high-energy engines have been approved (A) with the rest disapproved (D), while 25% of all low-energy engines have been approved. What is the probability that his design will result in an approved engine