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Z-Score Calculation

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The mean age of adult learners in a chosen class of 31 students is 33.8 years. The standard deviation is equal to 7 years. You are a member of the class and are 26 years old.

What is your z-score?

What does this tell us?

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Solution Summary

This solution answers a question on probabilities and calculates a z-score.

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Your z-score is -1.11.

The probability that another classmate is older ...

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