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

Author Question: Assume you are flipping an unbiased coin and that the flipping process is entirely random. A psychic ... (Read 109 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
Assume you are flipping an unbiased coin and that the flipping process is entirely random. A psychic claims that he can sense the outcome of each flip. You put him to the test. You flip the coin 6 times and guess what? The psychic correctly calls the outcome each time. If the psychic is really only guessing on each flip, what is the probability of his being correct six out of six times?
 
  a. 0.1094 c. 0.0156
  b. 0.0041 d. 0.0083

Question 2

Assume your friend just took an exam made up of 20 true/false questions. Further assume that your friend had no knowledge relevant to the questions, and consequently just guessed the answer to each question. What is the probability your friend will fail the exam, if a failing grade is 59 or below?
 
  a. 0.8686 c. 0.8693
  b. 0.8684 d. 0.7483



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bsand8

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

C

Answer to Question 2

D




frankwu

  • Member
  • Posts: 549
Reply 2 on: Jun 19, 2018
Gracias!


Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

For a complete list of videos, visit our video library