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Mathematics, 31.10.2019 03:31 tiffanyhmptn

What standard deviation must x¯ have so that 99.7% of all samples give an x¯ within one‑half inch of ? how large an srs do you need to reduce the standard deviation of x¯ to the value you found in part (a)?

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What standard deviation must x¯ have so that 99.7% of all samples give an x¯ within one‑half inch of...
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