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Mathematics, 19.09.2019 10:30 bigsmokedagangsta
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 more than 580 minutes? a. 0.152 b. 0.0548 c. 0.848 d. 0.903 e. none of these
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