just part d With steps and an explanation the answers are 01

just part d With steps and an explanation the answers are 0.1113 and 0.095

5) The Longway Tire Inc is interested in comparin g two different radial tire designs, A and B, and their tread life when installed on SUV\'s and sedans. The target design tread life is 100,000 km. The tires are installed on a number of both types of vehicles with the following results; Vehicle Number with Tread | Number with Tread Design Type Life