Question

Mary works in a factory that produces 1,000 telephones each day. When 50 telephones were sampled, it was found that 8 were defective. Estimate how many telephones are defective each day

Answer 1

help

Answer 2

ok so lets see 1000 phones are made a day right?

Answer 3

yep

Answer 4

50 were sampled

Answer 5

ok so out of 50 phones there are 8 that have defects

Answer 6

yea

Answer 7

meaning they dont work

Answer 8

yep

Answer 9

ok and how many 50s are there in 1000?

Answer 10

20

Answer 11

good so whats 8 x 20 = ?

Answer 12

160

Answer 13

:) and thats ^ your answer

Answer 14

thanks so much!!!

Answer 15

no prob :)