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Home Q & A Board Science-Related Homework Help Mathematics
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Hog95 Hog95
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10 years ago
If the mean score on a stress scale is 5, the standard deviation is 2, and the distribution is normal, the percentage of people who would obtain scores between 5 and 9 is 
A)   34% 
B)   14% + 34% = 48% 
C)   50% 
D)   34% + 34% = 68% 
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padrepadre
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#1
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10 years ago
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Hog95 Author
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#2
10 years ago
Thank you so much for the reply. Your answer makes a lot of sense.
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