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Calculate: a) Z-score for a random variable X = 60 is normally distributed with mu=50, standard deviation=8. b) P(0.21 Z 1.69) c) Find the Z-score
Calculate:
a) Z-score for a random variable X = 60 is normally distributed with mu=50, standard deviation=8.
b) P(0.21 Z 1.69)
c) Find the Z-score such that the area to the right of the Z-score is 0.483.
d) Find the Z-score that separate the middle 88% of the data from the area in
the tails.
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