Question: . a 2 4. The mean mark on a provincial standardized test is 63 with a standard deviation of 5. What is the probability that

. a 2 4. The mean mark on a provincial standardized

. a 2 4. The mean mark on a provincial standardized test is 63 with a standard deviation of 5. What is the probability that a given student will not achieve a passing mark of at least 50

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