Accu-Start Company makes 12-volt car batteries. After many years of product testing, the company knows that the average life of an Accu-Start battery is normally distributed, with a mean of 45 months and a standard deviation of 8 months. We are interested in the probability that a battery will last at least three years. Which of the following sketches represents this situation?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Accu-Start Company makes 12-volt car batteries. After many years
of product testing, the company knows that the average life of an
Accu-Start battery is normally distributed, with a mean of 45
months and a standard deviation of 8 months. We are interested in
the probability that a battery will last at least three years. Which of
the following sketches represents this situation?
Transcribed Image Text:Accu-Start Company makes 12-volt car batteries. After many years of product testing, the company knows that the average life of an Accu-Start battery is normally distributed, with a mean of 45 months and a standard deviation of 8 months. We are interested in the probability that a battery will last at least three years. Which of the following sketches represents this situation?
p 0.13
860=d
P= 0.02
Transcribed Image Text:p 0.13 860=d P= 0.02
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