This topic contains a solution. Click here to go to the answer

Author Question: A true-false test of 20 questions is given to 10,000 students. If all the students guess on each ... (Read 303 times)

kodithompson

  • Hero Member
  • *****
  • Posts: 566
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

flannelavenger

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

C

Answer to Question 2

B




kodithompson

  • Member
  • Posts: 566
Reply 2 on: Jun 19, 2018
YES! Correct, THANKS for helping me on my review


strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Excellent

 

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

For a complete list of videos, visit our video library