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Author Question: On each of the first twelve days of April, Miguel records whether or not it rains in New York City. ... (Read 56 times)

londonang

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on: Aug 1, 2018
On each of the first twelve days of April, Miguel records whether or not it rains in New York City.
 
  A) Procedure results in a binomial distribution.
  B) Not binomial: the trials are not independent.
  C) Not binomial: the number of trials is not fixed
  D) Not binomial: there are more than two possible outcomes on each trial

Question 2

The typical computer random-number generator yields numbers in a uniform distribution between 0 and 1 with a mean of 0.500 and a standard deviation of 0.289.
 
  (a) Suppose a sample of size 50 is randomly generated. Find the probability that the mean is below 0.300. (b) Suppose a sample size of 15 is randomly generated. Find the probability that the mean is below 0.300. These two problems appear to be very similar. Only one can be solved by the Central Limit theorem. Which one and why?


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strudel15

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Reply #1 on: Aug 1, 2018
Answer to Question 1

B

Answer to Question 2

The first may be solved by the Central Limit theorem. The second has too small of a sample size.


londonang

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Reply 2 on: Aug 1, 2018
:D TYSM

patma1981

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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