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Important information about Probability calculation based on Z score

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Mrs. Smith's reading class can read a mean of 175 words per minute with a standard deviation of 20 words per minute. The top 3% of the class is to receive a special award. What is the minimum number of words per minute a student would have to read in order to get the award? Place your answer, rounded to the nearest whole number, in the blank. For example, 123 would be a legitimate entry.

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Solution Summary

The solution provides step by step method for the calculation of probability calculation based on Z score . Formula for the calculation and Interpretations of the results are also included.

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Answer
Here we need a value of K such that P(X>K) =0.03
Standardizing ...

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