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Author Question: On a December day, the probability of snow is .30 . The probability of a cold day is .50 . The ... (Read 32 times)

krzymel

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on: Jun 24, 2018
On a December day, the probability of snow is .30 . The probability of a cold day is .50 . The probability of snow and a cold day is .15 . Are snow and cold weather independent events?
 a. only if given that it snowed
  b. no
  c. yes
  d. only when they are also mutually exclusive

Question 2

A Type II error is committed when
 a. a true alternative hypothesis is mistakenly rejected.
   b. a true null hypothesis is mistakenly rejected.
   c. the true null hypothesis is correctly rejected.
   d. the true alternative hypothesis is correctly rejected.


akudia

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Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

a


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