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Author Question: A true-false test of 20 questions is given to 10,000 students. If all the students guess on each ... (Read 261 times)

kodithompson

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on: Jun 19, 2018
A true-false test of 20 questions is given to 10,000 students. If all the students guess on each question, how many students would you expect to get 17 or more questions correct?
 
  a. 0.0013 c. 13
  b. 11 d. 0.0011

Question 2

A cat lover wants to know if cats have color vision. She teaches her cat to press a green button to obtain a food reward. She then gives the cat a choice between a green and a red button, but only rewards it when it presses the red button. Position of the button is controlled for. The cat is given several practice trials, and then tested 15 times. If the cat cannot distinguish between red and green, what is the probability that it will push the red button at least 12 times out of 15?
 
  a. 0.0139 c. 0.0593
  b. 0.0176 d. 0.0037


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flannelavenger

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Reply #1 on: Jun 19, 2018
Answer to Question 1

C

Answer to Question 2

B


kodithompson

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Reply 2 on: Jun 19, 2018
Thanks for the timely response, appreciate it

xoxo123

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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