In a large section of a statistics class, the points for the final exam are norm

Question

In a large section of a statistics class, the points for the final exam are normally distributed, with a mean of 76 and a standard deviation of 9. Grades are assigned such that the top 10% receive A's, the next 20% received B's, the middle 40% receive C's, the next 20% receive D's, and the bottom 10% receive F's. Find the lowest score on the final exam that would qualify a student for an A, a B, a C, and a D.

The lowest score that would qualify a student for an A is

.

(Round up to the nearest integer as needed.)

Explanation / Answer

Sorry to say but i think u have missed some data which is necessary to solve the problem .The value of n is missing if u provide n value then i will surely answer the question.

Related Questions

Navigate

• Browse (All)
• Browse I
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.