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 304 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
Thanks for the timely response, appreciate it


phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

For a complete list of videos, visit our video library