Question

A shipping company selects 75 random packages to check their weight.It finds that 3 packages were weighed incorrectly. How many packages out of 3000 should the company predict have an incorrect weight?

Answer 1

Answer: 120 Packages

Explanation:

Given

75 random packages are check

3 package is found faulty

So, the percentage of error is

`\Rightarrow (3)/(75)* 100=4\%`

i.e. 4% packages is faulty

For 3000 sample, expected faulty packages are

`\Rightarrow 3000* (4)/(100)=120\ \text{Packages}`