AppOrchid conducted a test that had a mean score of 150 and a standard deviation of 20. If a candidate's z-score is 1.50, what was his score on the test?

Question

AppOrchid conducted a test that had a mean score of 150 and a standard deviation of 20. If a candidate's z-score is 1.50, what was his score on the test?
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Solution 1

To find the candidate's score on the test, we can use the formula for z-score:

z = (x - μ) / σ

Where: z = z-score x = candidate's score μ = mean score σ = standard deviation

Given that the z-score is 1.50, the mean score is 150, and the standard deviation is 20, we can rearrange the formula to so Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob

Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv

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