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Salary: Calculating Descriptive Statistics and Percentiles

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Refer to the Excel file Salary (attached to the assignment) to address all the questions below:
What is the probability for:
a.) Randomly selecting a person being a male in Grade   E?
b.) Given that we picked a random person and he was a male, what is the probability of being in grade E?
            c.) Why the results different?
      2. Consider each group (Male and Female separately) and assume the salaries follow a Normal Probability distribution:
a.) What is the top 75th percentile of salary for Males?
b.) What is the top 75th percentile of salary for Females?
c.) What is the probability that a male picked at random makes more than 50K?
    d.) What is the probability that a female picked at random makes between 30K and 40K?

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Solution Summary

Using the salary example the percentile of salary is found by gender.

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