Question: decreased by 10 points and s stayed the same. Suppose that students in an algebra class take a first test and their scores (in points)

decreased by 10 points and s stayed the same.
Suppose that students in an algebra class take a first test and their scores (in points) are described well by the normal curve shown in Fig. 85. The given information describes how the mean and standard deviation changed on the second test. Assuming the scores on the second test are normally distributed, sketch a curve that describes the scores.

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