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QUESTION
How do I set this up in a TI-84 calc?
How do I set this up in a TI-84 calc?
5) STUDENTS TAKE A STATISTICS TEST. THE GRADE DISTRIBUTION IS NORMAL WITH A MEAN OF 70, AND A STANDARD DEVIATION OF 6.
(a) ANYONE WHO SCORES IN THE TOP 20% OF THE DISTRIBUTION GETS A GRADE OF "A" OR "B" WHAT IS THE LOWEST SCORE SOMEONE CAN GET AND STILL GET A "B"?
(b) THE BOTTOM 20% GET A "D" OR "F". WHAT IS THE LOWEST SCORE THAT STILL PASSES WITH THE "C" ?
