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Unformatted text preview: Int-r! Critical Z-value 0.02 Fort~distribution critical values, use our t—value distribution calculator For F—distributicn critical values, use our F—value distribution calculator For Xz—distribution critical values, use our chi—square distribution calculator Given a = 0.02, calculate the light-tailed and left—tailed critical value for Z Calculate light-tailed value: Since a = 0.02, the area under the curve is 1 — (I —» 1 - 0.02 = 0.98 Our critical 2 value is 2.053? in Microsoft Excei, this function can be written in a cer'i as =NORMSINWO.93) Calculate left-tailed value: Dur cn'tical z—value = 2.0537 in Microsoft Excei, this function can be written in a cer'i as =NORMSINV(0.02J Probability [Area under Curve: 0.01 13263 0.02 4.0537 0.03 —1.8808 —‘l.?50i" 0.05 4.6449 . 5548 ifi n. ...
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