From the below data answer the following questions: 1. What is the probability for: a. Randomly selecting
Question:
From the below data answer the following questions:
1. 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?
The column labels in the table mean:
ID ? Employee sample number
Salary ? Salary in thousands
Age ? Age in years
Performance Rating - Appraisal rating (employee evaluation score)
Service ? Years of service (rounded)
Gender ? 0 = male, 1 = female
Midpoint ? salary grade midpoint
Raise ? percent of last raise
Grade ? job/pay grade
Degree (0= BSBA 1 = MS)
Gender1 (Male or Female)
Compa - salary divided by midpoint
Introductory Statistics Exploring the World Through Data
ISBN: 978-0321978271
2nd edition
Authors: Robert Gould, Colleen Ryan