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1. Each of the given z-scores, draw the normal distribution and sketch the vertical line at location of z-score, then find out whether body is to right or the left of line and determine the proportion in the body.
A) Z=0.75B) Z=-1.40C) Z=0.85D) Z=-2.10
2. Determine the each of the given probabilities for normal distribution
a) P(z > -1.00)b) P(z > -0.80)c) P(z > 0.25)d) P(z > 1.25)
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A committe studying employer-employee relations proposed that a rating system be adopted. Each employee would rate his or her inmediate supervisor and in turn the supervisor would rate each employee.
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Assuming that the process is operating correctly according to specifications, what is the probability that a sample will indicate that an adjustment is needed?
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