A coffee vending machine adds brewed coffee and then hot water to make a cup of coffee. Let X = the amount of coffee add

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 coffee vending machine adds brewed coffee and then hot water to make a cup of coffee. Let X = the amount of coffee add

Post by answerhappygod »

A Coffee Vending Machine Adds Brewed Coffee And Then Hot Water To Make A Cup Of Coffee Let X The Amount Of Coffee Add 1
A Coffee Vending Machine Adds Brewed Coffee And Then Hot Water To Make A Cup Of Coffee Let X The Amount Of Coffee Add 1 (9.45 KiB) Viewed 118 times
A coffee vending machine adds brewed coffee and then hot water to make a cup of coffee. Let X = the amount of coffee added and Y = amount of water added, assume the following X-N(45,5) (ie E(X) = 45 and Var(X) = 5) Y-N(103,11) Cov(X,Y)= 0.6 What is the variance in the amount of liquid that ends up in the cup, ie Var(X+Y)?
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Top
Post Reply

Return to “Archived Questions & Answers”