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
Q. What is Sample Population? Choosing a sample population is one of the most important factors in gathering statistical data because all of the claims will be based on the sam


what are the types of sampling errors and their causes?

Bugsy?s Haulers, is considering the purchase or lease of a fuel tanker. The Purchase Option The purchase price is R4 000 000. This will be paid off as follows: R2 5


advantages an d disadvantages of various measures o f dispersion

A thief is running away in his car with a velocity of 20m/s.A police jeep is following him which is sighted by the thief in his rearview mirror, a convex mirror of focal length 10m


All parts should be answered as briefly as possible (quality not quantity!). A few sentences will suffice. Just get your opinions across succinctly. Unnecessarily long answers will