The Average Life for a Particular Brand of Car Battery

question 79

Multiple Choice

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

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