Question 913676
b) mean = 78.4, s = 55/sqrt(100) = 5.5
c) z = -23.4/5.5, P(z > -4.2545) = normalcdf(-4.2545, 100) = 1.00 0r 100%
z = -4.2545  VERY.... far to the left(basically everyone passes)
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