Mathematics, 17.09.2019 18:10 0436500
Suppose the scores of students on an exam are normally distributed with a mean of 405 and a standard deviation of 69. then approximately 99.7% of the exam scores lie between the numbers and such that the mean is halfway between these two integers.
Answers: 1
that is one standard deviation from mean. about 95% data lies between 
that is one standard deviation from mean. about 99.7% data lies between 
that is one standard deviation from mean.
that is it will lie in the range (198,612)
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Suppose the scores of students on an exam are normally distributed with a mean of 405 and a standard...
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