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Mean class scored 74 w/

In Mr. Johanessen's class, 1/4 of the students failed the final exam. Of the remaining class, 1/3 scored an A. What fraction of
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2. asked by jeff
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A class test resulted in a mean score of 60% and a standard deviation of 15%. You scored 75%. Assuming the scores follow a
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2. asked by rebecca
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Ricardo scored 83 in the class with the mean 78.8 and the standard deviation 5.1, but Lloyd scored 57 in the class with the mean
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2. asked by penn
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In a certain college class, 40 percent of students scored an A on the final exam. What is the probability of randomly selecting
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Angela scored in the 90th percentile of her class math test. If 27 students scored the same as or lower than she did, how many
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2. asked by Katie
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A class consists of 55% boys and 45% girls. It is observed that 25% of the class are boys and scored an A on the test, and 35%
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2. asked by Emily
3. 2,007 views
in a mathematics class half of the students scored 91 on an achievement test. with the exception of a few students who scored
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2. asked by Taylor
3. 627 views
in a mathematics class, half of the students scored 91 on an achievement test. with the exception of a few students who scored
1. 1 answer
2. asked by Taylor
3. 797 views
in a mathematics class, half of the students scored 91 on an achievement test. with the exception of a few students who scored
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2. asked by Taylor
3. 1,090 views
At the end of their study of the kinds of electricity, mrs.clark class compleated quiz, there were 26 students , 6 of them
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2. asked by Kk
3. 431 views