What percentage of students have a gpa

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To determine the percentage of Z-scores BELOW Z, P(<Z), refer to the standard normal distribution table

The registrar at Eastern University studied the grade point average (GPA's) of its students. The GPA's are normally distributed with a mean of 2.8 and a standard deviation of 0.4.

Question 1: What percentage of students have a GPA between 2.3 and 3.8? (Write the answer as percentage, rounded to 2 decimals)

Question 2: What percentage of students a have a GPA between 2.8 and 3.8? (Write the answer as percentage, rounded to 2 decimals)

The registrar at Eastern University studied the grade point average (GPA's) of its students. The GPA's are normally distributed with a mean of 2.8 and a standard deviation of 0.4.

Question 3: What percentage of students have a GPA of 3.8 or higher? (Write final answer as percentage, rounded to 2 decimals)

Question 4: Any student with a GPA of 3.8 or higher makes it on to the Dean's list. If 93 students are on the Dean's list, how many students are there at Eastern University?

Question 5: What percentage of students have a GPA below 1.0?

  • 100%. Everybody does
  • 0%. It's impossible
  • almost 100%
  • almost 0%

Reference no: EM132854327

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