Explore BrainMass
Share

Probability: XYZ Company Sample Question

This content was STOLEN from BrainMass.com - View the original, and get the solution, here!

*PLEASE SHOW ALL WORK FOR COMPLETING THIS PROBLEM SO THAT I KNOW HOW TO DO IT IN FUTURE SITUATIONS*

From past information, XYZ has collected the following data for the # of building losses per year for their 80 buildings.

# of building losses per year # of buildings having these losses
0 40
1 25
2 10
3 5
4 ??

A) derive the probability distribution for frequency based on the information above, and make sure your answer is labeled properly so that I know what it is, thank you.

B) Calculate the expected value of frequency for XYZ Company.

C) Calculate the Standard Deviation for XYZ Company.

© BrainMass Inc. brainmass.com September 18, 2018, 5:13 pm ad1c9bdddf - https://brainmass.com/statistics/probability/probability-xyz-company-sample-question-431035

Solution Preview

Since there are 80 buildings in total, ?? = 10 (80 - 40 - 25 - 5)

The following is the distribution of looses.

# of building losses per year Probability
0 40/80 = 0.5

1 25/80 = ...

Solution Summary

XYZ Company sample questions are examined in the solution. The expert expected value of frequency for XYZ Company is given.

$2.19