The average life for a particular brand of car battery is given by the following probability density function where t is in years.
         
?Find the probability that a battery chosen at random lasts between 2 and 7 years. Round your answer to two decimal places.
?

A. 1.72
B. 0.43
C. 0.54
D. 0.34
E. 0.65

Answer: B

Mathematics

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A. yes B. no

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