probability distribution, Basic Statistics

In a mathematics examination the average grade was 82 and the standard deviation was 5. all students with grade from 88 to 94 received grade of B. if the grade are approximately normally distributed and 8 students received a B grade , how many students took the examination?
Posted Date: 9/14/2012 3:03:41 PM | Location : United States





please send the answer please
Posted by cecile abarquez | Posted Date: 1/24/2013 5:45:37 AM


Related Discussions:- probability distribution, Assignment Help, Ask Question on probability distribution, Get Answer, Expert's Help, probability distribution Discussions

Write discussion on probability distribution
Your posts are moderated
Related Questions
conceptual structure of financial In financial accounting, There were many breaks in the conceptual structure of individual forums for example both the forums hadn't conducted

Mike sells on the average 15 newspapers per week (Monday – Friday). Find the probability that 2.1 In a given week he will sell all the newspapers

CASE STUDY 1 3 MARKS An audit of the accounting records of Loch Ness Ltd. for the year ending 30 June 2012 discovered that the ending inventory balance

Give a brief discussion of the existing traditional method of absorbing overheads

A file on DocDepot in the assignments folder on doc-depot called bmi.mtp contains data on the Body Mass Index (BMI) of a population of Ottawa residents. The first column identifies

need help finding my retianed earnigns

concept of Depreciation briefly. The primary idea of the Depreciation is to create off the value of worried resources by a certain amount as per prescribed. Devaluation is incur

determine the required value of the missing probality to make the distribution a discrete probability distribution

According to Thomson Financial, through January 25, 2006, the majority of companies reporting profits had beaten estimates (BusinessWeek, February 6, 2006). A sample of 162 compani