Question

A manufacturer fills an order of 4,200 smart phones. The quality inspector selects a random sample of 600 phones and finds that 15 are defective. How many smart phones in the order are likely to be defective?

Answer 1

Answer:

so many

smart

phones

s

s

s

a

a

a

a

a

a

a

a

Answer 2

Answer:

So,

Acc. to Question

= 600÷15

= 40

So, there are one phone defective in 40 phones.

= 4200÷40

= 105

So, there are 105 total detective phones.

Is this correct.