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SAT, 03.12.2021 03:20 Geo777

The life span of a battery is the amount of time the battery will last. The distribution of life span for a certain type of battery is approximately normal with mean 2. 5 hours and standard deviation 0. 25 hour. Suppose one battery will be selected at random. Which of the following is closest to the probability that the selected battery will have a life span of at most 2. 1 hours?.

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What are the options or answer choices.
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No, mark me ! ((brainliest))
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answer: b

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answer:

study

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