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The scores for standardized test

A certain standardized test's math scores have a bell-shaped distribution with a mean of 530and a standard deviation of
1. 13 answers
2. asked by AOL
3. 157 views
Scores on a statewide standardized test are normally distributed with a mean of 12.89 and a standard deviation of 1.95.
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2. asked by Sally
3. 1,323 views
The outcome of a standardized test is an integer between 151 and 200, inclusive. The percentiles of 400 testscores are
1. 1 answer
2. asked by faysakelahi
3. 2,420 views
The scores of students on standardized test are normally distributed with a mean of 300 and a standard deviation of 40. Between
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2. asked by Nancy
3. 1,793 views
The scores for standardized test are normally distributed with a mean of 300 and standard deviation of 39. If the test is given
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2. asked by melissa
3. 829 views
The scores on a standardized test are Normal with mean = 50 and sd = 10.a) What peoportion of scores falls less than 65? b) What
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2. asked by far
3. 419 views
The average score on a standardized test is 750 points with a standard deviation of 50 points. What isthe probability that a
1. 2 answers
2. asked by Anonymous
3. 1,141 views
The average score on a standardized test is 500 points with a standard deviation of 50 points. What isthe probability that a
1. 2 answers
2. asked by tom
3. 1,642 views
Let's say that the standardized test had 100 possible points. If we wanted to identify the top 25%, why not just select those
1. 1 answer
2. asked by slomomo
3. 426 views
Let's say that the standardized test had 100 possible points. If we wanted to identify the top 25%, why not just select those
1. 1 answer
2. asked by slomomo
3. 457 views