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14 October, 11:14

Find the critical value za/2 that corresponds to a 82% confidence level.

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  1. 14 October, 15:11
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    Finding critical value of Z at 82% confidence level:

    Step 1: α% = 100%-82% = 18%

    Step 2: α = 18% = 0.18

    Step 3: α/2 = 0.18/2 = 0.09

    Step 4: 1 - α/2 = 1-0.09 = 0.91

    Step 5: Critical value of Z at 82%confidence level = Z at 0.91 (from Z tables) ≈ 1.34
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