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 315 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
:D TYSM


meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Excellent

 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

For a complete list of videos, visit our video library