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Author Question: On a multiple choice test with 6 questions, each question has four possible answers, one of which is ... (Read 49 times)

sammy

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on: Jul 25, 2018
On a multiple choice test with 6 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the mean for the random variable X, the number of correct answers.
 
  A) 2 B) 3 C) 4.5 D) 1.5

Question 2

A sample consists of every 45th worker from a group of 4000 workers. What sampling technique was used?
 
  A) simple random
  B) convenience
  C) cluster
  D) stratified
  E) systematic


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ApricotDream

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Reply #1 on: Jul 25, 2018
Answer to Question 1

D

Answer to Question 2

E


sammy

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Reply 2 on: Jul 25, 2018
Excellent

parker125

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Reply 3 on: Yesterday
Gracias!

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