A group of students with normally distributed salaries earn an average of $6,800 with a standard...

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A group of students with normally distributed salaries earn an average of $6,800 with a standard...

A group of students with normally distributed salaries earn an average of $6,800 with a standard deviation of $2,500. Find the cutoff for the salary that corresponds to the lower 25% of all salaries. Use Excel, and round your answer to the nearest integer.

math Statistics-And-Probability

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Answer 1

Answer #1

Given and

Z- score of 25th percentile is

The cutoff for the salary that corresponds to the lower 25% of all salaries is

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Answer 2

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