A sample of the diameters of plumbing pipes approximates a symmetrical, bell-shaped distribution. The arithmetic mean is

Business, Finance, Economics, Accounting, Operations Management, Computer Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Algebra, Precalculus, Statistics and Probabilty, Advanced Math, Physics, Chemistry, Biology, Nursing, Psychology, Certifications, Tests, Prep, and more.
Post Reply
answerhappygod
Site Admin
Posts: 899603
Joined: Mon Aug 02, 2021 8:13 am

A sample of the diameters of plumbing pipes approximates a symmetrical, bell-shaped distribution. The arithmetic mean is

Post by answerhappygod »

A sample of the diameters of plumbing pipes approximates asymmetrical, bell-shaped distribution. The arithmetic mean is 15.0inches, and the standard deviation is 0.20 inches. Based onthe Empirical rule, what percent of the observations will liebetween 14.80 inches and 15.40 inches?
97.4%
83.9%
95.0%
68.0%
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Post Reply