A midterm is normally distributed and has a mean of 80 and a standard deviation of 6 points. What is the minimum grade needed for the following situations a. Pass the class if the bottom 8 percent fail b. Get an ‘A’ if the top 10 percent get an ‘A’ c. Find the probability that someone gets at least a 90? d. Find Q1, Q3, and IQR

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A: Answer:

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A: Introduction The trend is used for finding a pattern in the data.

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Q: 10 9 8 7 6 5 4 3 2 1 0 10 9 6 5 3 2 1 0 0 0 1 1 2 2 3 3 4 4 ● 5 6 7 8 5 00 6 7 8 9 10 9 10

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