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16 July, 05:14

Find the critical value zc that corresponds to a 94% confidence level

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  1. 16 July, 08:35
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    Zc at 94% confidence level

    Step 1: α = 100 - 94 = 6% = 0.06

    Step 2: α/2 = 0.06/2 = 0.003

    Step 3: 1-α/2 = 1-0.003 = 0.97

    From Z-tables and at proportion of 0.97 (area under curve),

    Zc ≈ 1.88
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