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What did Ariana earn on her examif she had a z score of 0.63, given a mean of 80 and a standard deviation of 13?

What did Ariana earn on her examif she had a z score of 0.63, given a mean of 80 and a standard deviation of 13?

a. 71.81

b. 63.4

c. 37.4

d. 88.19

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