Question 898687
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Hi
z = (460-450)/35 = 10/35 = .2857,  P(z < .2857) = .6124  0r 61.24%
z = (480-450)/35 = 30/35 = .8571   P(z < .8571) = .8040  0r 80.40%
between... 80.40% - 61.24%  = 19.16%