Question

An English professor assigns letter grades on a test according to the following scheme. A: Top 13% of scores B: Scores below the top 13% and above the bottom 60 % C. Scores below the top 40% and above the bottom 24% D: Scores below the top 76% and above the bottom 8 % F: Bottom 8% of scores Scores on the test are normally distributed with a mean of 77.4 and a standard deviation of 7.9. Find the numerical limits for a answers to the nearest whole number, if necessary. grade. Round you Answer 2 Points Keypad re If you would like to look up the value in a table, select the table you want to view then either click the cell at the intersection of the row and column or use the arrow keys to find the appropriate cell in the table and select it using the Space key. Note: Selecting a cell will return the value associated with the column and row headers for that cell and Normal Table o to z NormalTable --to-2 NormalTableto z

Answer 1

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.4 + -1.40) x.9 amd 7.4 + l0.31) x.9 amd 72