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
A survey was done where a random sample of people 18 and over were asked if they preferred comedies, dramas, or neither. The information gathered was broken down by age group and t

1 . Below are the points scored by the winning team in Week 10 of NFL professional football games this Fall, 2011. 24 17 44 13 21 24 30 20 37 26 17 22 27 37 37 45 a) Use thes

difference between historigrams and histogram

The probability a computer will boot is .08. What is the least number needed so that the probability at least two will boot is greater than .99?

how to figure out cost of good available for sale, cost of sales, ending inventory


Modern hotels and certain establishments make use of an electronic door lock system. To open a door an electronic card is inserted into a slot. A green light indicates that the doo

). Calculate Karl Pearson’s coefficient of correlation from the following data , using 20 as the working mean for price and 70 as the working mean for demand: Price: 14 16 17 18 1

A bag contain 5 white, 7 red and 8 black balls. If four balls are drawn one by one without Replacement, find the probability of getting all white balls.

Hierarchical Clustering   Five, two-dimensional data points are shown below: x y -0.43 1.19 -1.66 1.1