Determine the probability - standard deviation & mean , Basic Statistics

1. This question has multiple parts.

For a distribution of scores with = 82 and standard deviation = 2.5, find the following:

(Don't forget to sketch the normal curve to help you visualize what you are trying to find.)

A. What is the percentage of scores falling between the mean and a raw score of 84?

B. What is the probability of a score falling above a raw score of 86?

C. What is the probability of a score falling between the raw scores of 83 and 87?

D. The percentile rank of a score of 79.

E. The percentile rank of a score of 89.

Posted Date: 3/9/2013 12:54:47 AM | Location : United States







Related Discussions:- Determine the probability - standard deviation & mean , Assignment Help, Ask Question on Determine the probability - standard deviation & mean , Get Answer, Expert's Help, Determine the probability - standard deviation & mean Discussions

Write discussion on Determine the probability - standard deviation & mean
Your posts are moderated
Related Questions
Generally Accepted Accounting Principles-GAAP:  GAAP is an Americanized term for the accounting standards and procedures that need to be followed by companies while compiling their

where i found an assignment about index?


Suppose that cars pass a certain toll booth at an average rate of 10 cars per minute between the hours of 7 a.m. and 9 a.m. The random variable X counts the number of cars that pas

Q1. If you throw a coin 5 times, what is the probability of: - throwing 5 heads - throwing 4 tails - throwing 3 heads and 2 tails Q2. Construct a tree diagram to verify your ans

assume that your group is incorporating a business organization. you are required to present a detailed structure, business environment and organizational structure of the entity.

a fair die is thrown 3 times.let X1,X2,X3 denote results of 3 throws.what is the probablity that p[X1>X2+X3]

What are the salient features of a Promissory Note? Ans. a) A Promissory Note is made by the promiser who undertakes to pay the mentioned amount of Bill to the bearer of the Promi

How will the adoption of IFRS change financial reporting by companies? Manager 1: The new rules will definitely change the way our organization prepares financial statements.

The Steven Wholesale Co. uses the periodic inventory system. The following transactions occurred during the month of May, the last month of the fiscal year that runs from June 1 t