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Percentage of scores falling between

The scores on a standardized exam are normally distributed with mean= 50 and variance=16. (a) what percentage of the scores
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2. asked by Julie
3. 1,202 views
Percentage of scores falling between a z-score of .54 and the mean.I can do the math, I just don't understand how to begin!
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2. asked by bee
3. 1,608 views
Use a table of z-scores and percentiles to find the percentage (to the nearest whole percentage) of data items in a normal
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2. 71 views
a. Percentage of scores less than 100=50 percentb. Relative frequency of scores less than 120= 0.34+0.135+0.0235+0.015+0.84 c.
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2. asked by cynthia
3. 661 views
Research FAST reading and math test scores across Florida (look at each county). What is the percentage of each score (5, 4, 3,
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2. 46 views
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7
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2. asked by Jane Brown
3. 2,134 views
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7
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2. asked by TAW
3. 949 views
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7
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2. asked by cynthia
3. 881 views
Class scores: Write a program that calculates the total grade for N classroom exercises as a percentage. The user should input
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2. asked by Abby
3. 1,932 views
Scores on a certain test are normally distributed with a mean of 78 and a standard deviation of 10. Find:the percentage of test
1. 1 answer
2. 68 views