lecture(12.5):  The mean of the population is 50. The standard deviation is 10. If a person row score is 47. (a) what is the person z score? (b) what is the probability that a randomly  selected person from the same population has a higher score? (c) what is the probability that a randomly selected person from the same population has a lower score?.

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lecture(12.5):

 The mean of the population is 50. The standard deviation is 10. If a person row score is 47.

(a) what is the person z score?

(b) what is the probability that a randomly  selected person from the same population has a

higher score?

(c) what is the probability that a randomly selected person from the same population has a

lower score?.

 

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