find the z-score corresponding to x = 105 and the x value corresponding to z = 0.40 for each of the following populations. ype the z-scores to two decimal places.
μ= 100 and σ=12 z= _____ x=_____
μ= 100 and σ=4 z= _____ x=_____
μ= 80 and σ=14 z= _____ x=_____
μ= 80 and σ=6 z= _____ x=_____