Question

By examining the past driving records of drivers in a certain city, an insurance company has determined the (empirical) probabilities in the table to the right. Use the empirical) probabilities to complete parts (A) and (8) below. Totals Miles Driven per Year Less 10,000 - More Than 15,000 Than 10,000, Inclusive, 15,000, M M2 м. 0.10 0.15 0.20 0.10 0.20 0.25 0.20 0.35 0.45 Accident A No Accident A' Totals 0.45 0.55 1.0 (A) Find the probability that a city driver selected at random drives more than 15,000 miles per year or has an accident. The probability is (Type an integer or a decimal) (B) Find the probability that a city driver selected at random drives 15,000 or fewer miles per year and has an accident The probability is (Type an integer or a decimal.) 2 Enter your answer in each of the answer boxes

Answer 1

Miles Driven per Driven per year totals 10000 Lessthan 10000 More traw 15 000 15000 inclusive 1 MI M2 M3 Acciden A 0:10 015 6.20 0.45 and Accident Al 0:10 020 0.25 6.55 0.35 0·20 o.us 10 Totals 11 per year on has an The probability that a city driver selected at rendom docivers more man 15000 miles accident P ( M₂ A +M, A't M, A + MzA 0.10 to 15 20 t 0.25 t = z B 10-11 probability that a a city driver selected as drivers 15000 or fewer miles per year and The random has accident p ( M, A + My A ) = 0.10 t 0.15 = 0.25