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4 February, 15:25

A battery company manufactures batteries having life spans that are normally distributed, with a mean of 45 months and a standard deviations of 5 months. find the probability that a battery chosen at random will have each life span. a. 48-50 months b. 45-52 months

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  1. 4 February, 16:35
    0
    I'd say (A) is the correct answer
  2. 4 February, 16:57
    0
    A is the correct answer
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