contestada

A worker takes a random sample of 290 bolts and finds that 29 of them are either too long or too short, thus making them unusable. estimate the number of unusable bolts in a production of 20,000 bolts.

Respuesta :

irspow
You set up a proportion for these types of approximations...

We will create a ratio of defective versus total...

29/290=1/10 so the estimate follows..

d/20000=1/10

d=2000

So we would estimate that about 2000 of the 20000 would be defective.

Answer:

2,000 (gradpoint)

Step-by-step explanation:

Otras preguntas