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The average GPA of students at a university is 3.0 with a standard deviation of 1.0.A random sample of 9 students is collected.What is the probability that the average GPA of this sample is higher than 3.3?

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The average GPA of students at a university is 3.0 with a standard deviation of 1.0.A random sample of 9 students is collected.What is the probability that the average GPA of this sample is higher than 3.3?





 
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