Q2. Assume that 40% of the population are safe drivers, 25% are unsafe drivers, and the rest ar average drivers. Suppose a safe driver has 0.8 probability of having no accident in a year, while unsafe and average and driver probabilities drops to 0.2 and 0.4 respectively. a. What is the probability that a new driver had an accident in the past year. b. What is probability of this driver being a safe driver?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Q2. Assume that 40% of the population are safe drivers, 25% are unsafe drivers, and the rest are
average drivers. Suppose a safe driver has 0.8 probability of having no accident in a year, while for
unsafe and average and driver probabilities drops to 0.2 and 0.4 respectively.
a. What is the probability that a new driver had an accident in the past year.
b. What is probability of this driver being a safe driver?
Transcribed Image Text:Q2. Assume that 40% of the population are safe drivers, 25% are unsafe drivers, and the rest are average drivers. Suppose a safe driver has 0.8 probability of having no accident in a year, while for unsafe and average and driver probabilities drops to 0.2 and 0.4 respectively. a. What is the probability that a new driver had an accident in the past year. b. What is probability of this driver being a safe driver?
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