thall4293 thall4293

25-05-2023
Mathematics

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The distribution of scores on an accounting test is T(45, 72, 106). (a) Find the mean. (Round your answer to 2 decimal places.) (b) Find the standard deviation. (Round your answer to 2 decimal places.) (c) Find the probability that a score will be less than 67. (Round your answer to 4 decimal places.)

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