The number of seconds XX after the minute that class ends is uniformly distributed between 0 and 60. Round all answers to 4 decimal places where possible. Suppose that 37 classes are clocked.  What is the distribution of ¯xx¯ for this group of classes? (___,___) What is the probability that the average of 37 classes will end w

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The number of seconds XX after the minute that class ends is uniformly distributed between 0 and 60. Round all answers to 4 decimal places where possible.

  1. Suppose that 37 classes are clocked.  What is the distribution of ¯xx¯ for this group of classes? (___,___)
  2. What is the probability that the average of 37 classes will end with the second hand between 21 and 25 seconds? 
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