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Author Question: On a multiple-choice exam for which each question has four possible answers, the probability of ... (Read 71 times)

moongchi

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on: Jun 20, 2018
On a multiple-choice exam for which each question has four possible answers, the probability of guessing the correct answer is p = 1/4. What is the mean of the binomial distribution for the number of correct guesses for a series of 100 questions?
 
  A) 5
  B) 25
  C) 10
  D) 50

Question 2

Which of the following is the correct null hypothesis for a repeated-measures t test?
 
  A) MD = 0
  B) D = 0
  C) 1 = 2
  D) M1 = M2


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katieost

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

B

Answer to Question 2

B


moongchi

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Reply 2 on: Jun 20, 2018
Gracias!

lkanara2

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Reply 3 on: Yesterday
Excellent

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