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Grade point average for Alabama State University seniors are normally distributed with a mean of 2.8...

Grade point average for Alabama State University seniors are normally distributed with a mean of 2.8 points and a standard deviation of 0.4.

a.) What is the probability that a student selected at random has a GPA over 2.5?

b.)If only the top 20% of students are eligible for admission into graduate school within the system, what is the minimum grade point average that a senior must have in order to apply for graduate school?

c.) What is the probability that a student selected at random has a GPA below 3.0?

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