The number of seconds X after the minute that class ends is uniformly distributed between 0 and 60. Round all answers to 4 decimal places where possible. What is the distribution of X? X ~ U(____ , ____)  then the sampling distribution is Suppose that 38 classes are clocked.  What is the distribution of ¯x for this group of classes? ¯x ~ N(____, ____) What is the probability that the average of 38 classes will end with the second hand between 25 and 29 seconds? _____

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

  1. What is the distribution of X? X ~ U(____ , ____)
  2.  then the sampling distribution is
  3. Suppose that 38 classes are clocked.  What is the distribution of ¯x for this group of classes? ¯x ~ N(____, ____)
  4. What is the probability that the average of 38 classes will end with the second hand between 25 and 29 seconds? _____
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