Scores on a Test Are Normally Distributed with a Mean $P _ { 81 }$

question 69

Multiple Choice

Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11.7. Find $P _ { 81 }$ , which separates the bottom 81% from the top 19%.

• A) 0.291
• B) 66.6
• C) 73.5
• D) 0.88

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Microeconomic Principles

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