# A study group takes a practice statistics exam. They find that the group has a mean score of 80 with a Standard Deviation of 5. Lily has a z-score of 1.9 and wants to know her raw score. Calculate her score. the answer is Between 89.4 and 89.6can you please show me the work, how do I find her score?

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A study group takes a practice statistics exam. They find that the group has a mean score of 80 with a Standard Deviation of 5. Lily has a z-score of 1.9 and wants to know her raw score. Calculate her score.

the answer is Between 89.4 and 89.6

can you please show me the work, how do I find her score?

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Step 1

Standard normal distribution:

The standard normal distribution is a special case of normal distribution, in which the mean of the distribution ...

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### Hypothesis Testing 