how to use z-table?
I don't get how to use z-table values for p-value at 5:30. why she chose the 0.4 column?
1 answers ( 0 marked as helpful)
'cause the intersection value between 0.8 and 0.04 is 0.7995 ~ test power 0.8 => combine we have z-score = 0.84
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