Suppose SAT Mathematics scores are normally distributed with a mean of 515 515 and a standard deviation of 115 115 . A university plans to send letters of recognition to students whose scores are in the top 10% 10 % . What is the minimum score required for a letter of recognition? Round your answer to the nearest whole number, if necessary.

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Step-by-step explanation:

Suppose SAT Mathematics scores are normally distributed with a mean of 515 and a standard deviation of 115. A university plans to send letters of recognition to students whose scores are in the top 10%. What is the minimum score required for a letter of recognition? Round your answer to the nearest whole number, if necessary.

Find the z score with a right tail of 10$

invNorm(0.9) = 1.282

Find the corresponding score using x = z*s + u

Ans: x = 1.282*115+515 = 662

77

step-by-step explanation:

y=x+9

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step-by-step explanation: