Purchase Solution

# GMAT Scores

Not what you're looking for?

1)The GMAT scores of MBA candidates are normally distributed with a mean of 568 and Standard eviation of 25.6 What is the probabilitie of candidates scoring higher than 600 ?

2) A financial Manager is interested to study DM students. A random sample of 256 students salaries totaled \$ 9,067,520 The sample standard deviation is \$ 3,200
a) What is the point estimate of the students mean salary?
b) What is the point estimate of the standard deviation of the students salaries?
c)Construct a 95% confidence interval for the mean salary of the DM students?

##### Solution Summary

The GMAT scores of MBA candidates are normally distributed with a mean of 568 and Standard Deviation of 25.6 is analyzed. What is the probability of candidates scoring higher than 600 is computed.

##### Solution Preview

1) P(x<600) : Z score = (X - Mean)/Std Dev
= (600 - 568)/25.6 = 1.25
P(X>600) = 1 - P(X<600)

From Normal Tables , we see that ...

Solution provided by:
###### Education
• BE, Bangalore University, India
###### Recent Feedback
• "What does 1 and 0 means in the repair column?"
• "Went through all of the formulas, excellent work! This really helped me!"
• "try others as well please"
• "Thank you, this helped a lot. I was not sure how to plug in those numbers to a formula. This was a great help. Now I have to figure out how to explain cost of capital is used in net present value analysis, and how cost of capital is used in net present value analysis. This stuff gets confusing."

##### Free BrainMass Quizzes

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.