SOLUTION: A manufacturer inspects 800 batteries and finds that 796 have no defects... there are 25,000 batteries in storage. How many batteries are likely to have no defects?

Question 438618: A manufacturer inspects 800 batteries and finds that 796 have no defects... there are 25,000 batteries in storage. How many batteries are likely to have no defects?
Found 2 solutions by jorel1380, stanbon:
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
796/800x25000=24875 batteries are likely to have no defects.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A manufacturer inspects 800 batteries and finds that 796 have no defects... there are 25,000 batteries in storage. How many batteries are likely to have no defects?
-----------------------
Emperical probabilty of no defect = 796/800
--------------
Expected number of no defect in 25000 = (796/800)*25000
=======================
cheers,
stan .
RELATED QUESTIONS
A manufacturer inspects 400 personal video players and finds that 399 of them have no... (answered by ewatrrr)
a quality control engineer inspects a random sample of three batteries from a lot of 30... (answered by ewatrrr)
a quality control engineer inspects a random sample of three batteries from a lot of 30... (answered by ewatrrr,ikleyn)
A quality control engineer inspects a random sample of three batteries from each lot of... (answered by ikleyn)
Michael has a drawer containing lots of AA batteries. There are 6 Energizer batteries, 5... (answered by ewatrrr)
a)A quality control engineer inspects a random sample of three batteries from a lot of 30 (answered by ewatrrr,ikleyn)
A wind generator can charge 20 storage batteries in 24 h . After the generator has been... (answered by josmiceli)
In a box of thrity aaa batteries there are three defective batteries. Two batteries are... (answered by katealdridge,stanbon)
7. A sample of 320 mobile phone batteries contained 16 defective batteries. How many... (answered by math-vortex)