1. A company manufacturing light bulbs claims that its bulb will burn for 3000 hours. The quality control technician chooses 60 bulbs at random and tests them for the length of time that they can be used before they burn out. The test concluded that 52 bulbs burned for 3200 hours or more, 5 bulbs burned for between 3000 and 3200 and 3 bulbs burned for less than 3000 hours. What percent of the bulbs confirmed the company's claim? (2 marks)