Solution-Explain in context what it means to be 95 percent

Explain in context what it means to be 95 percent confident

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The manufacturer of a certain type of new cell phone battery claims that the average life span of the batteries is 500 charges; that is, the battery can be charged at least 500 times before falling. To investigate the claim, a consumer group will select a random sample of cell phones with the new batten! and use the phones through 500 charges of the battery. The proportion of batteries that fail to last through 500 charges will be recorded. The results will be used to construct a 95 percent con?dence interval to estimate the proportion of all such batteries that fail to last through 500 charges.

(a) Explain in context what it means to be 95 percent confident.

Reference no: EM132848084

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Explain in context what it means to be 95 percent confident

Reference no: EM132848084

Reference no: EM132848084

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