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One thousand students took a test resulting in a normal distribution of the scores with a mean of 80 and a standard deviation of 5. How many students scored between 70 and 90
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One thousand students took a test resulting in a normal distribution of the scores with a mean of 80 and a standard deviation of 5. How many students scored between 70 and 90

User Olleh
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63 I believe is the answer
User Jhen
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