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chimeric chimeric
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6 years ago
The number of cell phone minutes used by high school seniors follows a normal distribution with a mean of 500 and a standard deviation of 50. What is the probability that a student uses between 400 and 500 minutes?
A) 0.4773
B) 0.05228
C) 0.0228
D) 0.9773
E) None of the above
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Quantitative Analysis for Management

Quantitative Analysis for Management


Edition: 12th
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