Question

A phone company tested the battery life of a random sample of 20 of its newest model phones. The dot plot shows the company’s results.

Based on the sample, how many of the newest phone models in a shipment of 2000 phones can be expected to have a battery life of less than 14.2 hours?

Answer 1

the answer is 3 but it also depend how many phones per dot so if you have a key let's say 3 dots = 10 phones ur answer would be 30