The scores on a standardized test had mean of 2711 and a

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The scores on a standardized test had mean of 2.711 and a standard deviation of 1.335. A teacher had 61 students take the test. Although the students were obviously not a random sample, she considered her students to by "typical" of all the national students. What is the probability that her students achieved an average score of at least 3?

Reference no: EM13624409

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