A random sample of laptop computers at an electronics store shows
that 1 of the 25 sampled laptop computers has a malfunction. There
are 300 laptop computers at the electronics store. Estimate the numbe
of laptop computers at the electronics store that have malfunctions.
well 25 goes into 100 4 times, so if there is 300 that means you have 4 in every 100. So if you take 4 times the number of hundereds you have which is 3 that gives you 12