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Author Question: Which of the following accurately describes the chi-square distribution? A) symmetrical with a ... (Read 124 times)

Shelles

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on: Jun 20, 2018
Which of the following accurately describes the chi-square distribution?
 
  A) symmetrical with a mean of zero
  B) positively skewed with all values greater than or equal to zero
  C) negatively skewed with all values greater than or equal to zero
  D) symmetrical with a mean equal to n - 1

Question 2

For the normal approximation to the binomial distribution with n = 100 and p = 1/2, a score of X = 60 corresponds to a z-score of z = 2.00.
 
  Indicate whether the statement is true or false


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Dunkey

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

True


Shelles

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Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
Wow, this really help

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