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Author Question: On a multiple choice test with 23 questions, each question has four possible answers, one of which ... (Read 45 times)

Ebrown

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on: Aug 1, 2018
On a multiple choice test with 23 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the mean for the number of correct answers.
 
  A) 17.3 B) 7.7 C) 5.8 D) 11.5

Question 2

A die is rolled 8 times and the number of times that two shows on the upper face is counted. If this experiment is repeated many times, find the mean for the number of twos.
 
  A) 2.67 B) 2 C) 1.33 D) 6.67


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shaikhs

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

C

Answer to Question 2

C


Ebrown

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Reply 2 on: Aug 1, 2018
Excellent

tkempin

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Reply 3 on: Yesterday
Wow, this really help

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