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PROBLEM 3 The average grade point average (GPA) of undergraduate students in New York is normally distributed...

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Basic Math

PROBLEM 3

The average grade point average (GPA) of undergraduate studentsin New York is normally distributed with a population mean of 2.8and a population standard deviation of 0.75

(I) The percentage of students with GPA's between 2 and 2.5is

CHOICE =


(II) The percentage of students with GPA's above 3.0 is:

PERCENTAGE =


(III) Above what GPA will the top 5% of the students be (i.e.,compute the 95th percentile):

GPA =


(IV) If a sample of 25 students is taken, what is the probabilitythat the sample mean GPA will be between 2.8 and 2.75?

CHOICE =

Answer & Explanation Solved by verified expert
3.8 Ratings (384 Votes)
This is a normal distribution question witha x1 2x2 25P20 x 25This    See Answer
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