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On the standardized test of mathematical ability, Jorge scored 45 and Lisa scored a 39. The distribution of test scores for population is normal, with mean of 30 and standard deviation of 5.

a) What percentage of population score higher than Jorge?

b) What percentage of population scored lower than Lisa?

c) What percentage of population scored between the mean and Jorge?

d) What percentage of population scored between the mean and Lisa?

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  • Category:- Statistics and Probability
  • Reference No.:- M921556

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