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2a) Based on a normal probability distribution, answer the following questions: Belkis scored 32 on a...

2a) Based on a normal probability distribution, answer the following questions:

Belkis scored 32 on a test for which the mean was 35 and the standard deviation was 8. While Bernadine scored 70 on a comparable test for which the mean was 76 and the standard deviation was 11.

Calculate the z-score of Belkis. Write your answer correct to the nearest hundredth (two decimal places).                                               

            2b) Based on a normal probability distribution, answer the following questions:

Belkis scored 32 on a test for which the mean was 35 and the standard deviation was 8. While Bernadine scored 70 on a comparable test for which the mean was 76 and the standard deviation was 11.

Calculate the z-score of Bernadine. Write your answer correct to the nearest hundredth (two decimal places).

                                               

            2c) Based on a normal probability distribution, answer the following questions:

Belkis scored 32 on a test for which the mean was 35 and the standard deviation was 8. While Bernadine scored 70 on a comparable test for which the mean was 76 and the standard deviation was 11.

    Which student, Belkis or Bernadine, has a better score?

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Answer #1

a) Belkis scored 32 on a test for which the mean was 35 and the standard deviation was 8 x-μ 32-35 Belkis b) Bernadine scored

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