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Answer to Question #306440 in Statistics and Probability for Tarurendra Kushwah

Question #306440

In a sample of 1000 cases, the mean of a certain test is 14 and S.D is 2.5. Assuming the distribution to be normal, find

(1) how many students score between 12 and 15?

(2) How many score above 18?

(3) how many score below 8?

(4) how many score 16?


1
Expert's answer
2022-03-07T17:23:01-0500

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