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Author Question: In a recent study based upon an inspection of 200 homes in Daisy City, 120 were found to violate one ... (Read 128 times)

fahad

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In a recent study based upon an inspection of 200 homes in Daisy City, 120 were found to violate one or more city codes. The manager's statement that 60 of Daisy City's 3,000 homes are in violation of city codes is _____.
 a. an accurate statement
  b. only an approximation, since it is based upon sample information
  c. obviously wrong, since it is based upon a study of only 200 homes
  d. None of the other answers is correct.

Question 2

Random samples of size 525 are taken from an infinite population whose population proportion is 0.3 . The standard deviation of the sample proportions (i.e., the standard error of the proportion) is
 a. 0.0004
   b. 0.2100
   c. 0.3000
   d. 0.0200



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yahahah24021

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Answer to Question 1

b

Answer to Question 2

d





 

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