Calculating Power
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29:18
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Hi, great video, please can you let me know how you calculated the probability of 0.0005? thanks
MrDanrobbins 3 weeks ago
@MrDanrobbins I used the TI-83 calculator to find the area between the two "fences". I used normalcdf(-7.273,-3.268). If you used a table you would likely see the area to the left of -3.27 is 0.0005 and the other is negligible.
StoneyP94 3 weeks ago