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klsllsl

research of a manufacturer of cell phones, shows that the average cell phone will be 26 month before there is need of repairs. if the standard deviation for the data is 6 months, what length of time should the manufacturer set for a warranty such that less than 10% of all cell phones will need repairs during the warranty period

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  1. Faman39
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    @Hero this user need help badly, can you help ?

    • one year ago
  2. klsllsl
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    pls help me pls

    • one year ago
  3. klsllsl
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    hero pls bro pls

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  4. Faman39
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    @IsTim can you help ?

    • one year ago
  5. klsllsl
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    pls help me pls

    • one year ago
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spraguer (Moderator)
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