kaylaamberd
17.10.2020 •
Mathematics
Solve 11 + 4x = 2x + 21 for x
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Ответ:
x=5
Ответ:
let the cutoff be x
but
P(x>0.01)=1-P(x<0.01)=1-0.01=0.99
the z value corresponding to 0.99% is z=2.33
thus
2.33=(x-600)/60
solving for x we get:
139.8=x-600
x=739.8