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. a. What is the distribution of X? X - U( then the sampling distribution is b. Suppose that 38 classes are clocked. What is the distribution of a for this group of classes? - N( c. What is the probability that the average of 38 classes will end with the second hand between 23 and 31 seconds?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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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.
a. What is the distribution of X? X - U(
then the sampling distribution is
b. Suppose that 38 classes are clocked. What is the distribution of a for this group of
classes? i - N(
c. What is the probability that the average of 38 classes will end with the second
hand between 23 and 31 seconds?
Transcribed Image Text: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. a. What is the distribution of X? X - U( then the sampling distribution is b. Suppose that 38 classes are clocked. What is the distribution of a for this group of classes? i - N( c. What is the probability that the average of 38 classes will end with the second hand between 23 and 31 seconds?
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