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3. Calculate the Z score, given x 55,0-2.5, and -28 Ans: 4. Calculate x , given ze-1.45, σ 30.5, and μ-40 Ans: 5. A student scores 74 on a geography test and 282 on a mathematics test. The geography test has a mean of 80 and a standard deviation of 5. The mathematics test has a mean of 300 and a standard deviation of 12. If the data for both tests are normally distributed, on which test did the student score better relative to the other students in each class? Which test did the student score relatively better?

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0.8 乙ー 戈-L 225 28 2-300 12 5 1.2-> 1.5

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