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Question These are the scores

Scores on an exam are normally distributed with a mean of 73.5 and standard deviation of 8.6. What is the probability that a
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Find the average of all scores if there are:ten scores of 9 eight scores of 8 ten scores of 7 three scores of 6 Round to one
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2. asked by JohnMark
3. 645 views
In this unit we have worked with scores and their locations within a distribution. This discussion is designed to get you to
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2. asked by john
3. 671 views
For a normal distribution with a mean of m = 80 and a standard deviation of s = 20, find the proportion of the population
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2. asked by Lyndon
3. 1,592 views
A sociology professor assigns letter grades on a test according to the following scheme.A: Top 14% of scores B: scores below the
1. 1 answer
2. asked by Benjamin
3. 2,365 views
A humanities professor assigns letter grades on a test according to the following scheme.A: Top 8% of scores B: Scores below the
1. 1 answer
2. 47 views
i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i
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2. asked by ash
3. 756 views
Use the image to answer the question.A histogram is titled Exam 1 Scores. Given is the histogram of Exam 1 scores from Ms.
1. 11 answers
2. asked by hi
3. 94 views
Maria and Juana recieved scores of 82 and 65, respectively. If these score are equivalent to z-scores of 1.6 and -0.2,
1. 2 answers
2. asked by Daniel Pancho
3. 2,111 views
Suppose that a sample of 50 scores has a mean of Y=90 and the standard deviation is 15.Between what two values of Y will at
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2. asked by Sara
3. 465 views