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Mean 70, standard deviation 5 A. What is the probability that a randomly selected student will score more than 85 points? b. Arielle must score

Mean 70, standard deviation 5 A. What is the probability that a randomly selected student will score more than 85 points?

b. Arielle must score at least how many points to be in the 1%?

c. Yaya scored in the bottom 10% at most how many points did she scored?

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