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  1. #176
    . Neverna's Avatar
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    Quote Originally Posted by Looper View Post
    With the medical test with 95% accuracy (or 5% false positive), if 1000 people are tested then 50 will test positive but only 1 will actually have the disease so the probability that you have the disease if you test positive is 1/50 or 2%

    I read somewhere that 80% of doctors get that one wrong so if your doctor tells you you are positive then you still only have 2.5% chance of being positive
    Would the probability increase (or decrease) by much if 1% more doctors read the Teak Door Brain Teaser thread?


  2. #177
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    Depends if they read iceys mangled question or the link which had the proper question in full

  3. #178
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    Troy's Avatar
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    ^^ I think it depends on how many currants are in the garibaldi biscuit and whether you put milk in the cup before or after the tea.

  4. #179
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    Brainteaser

    The quizmaster shows the contestant 3 doors, behind 1 of these doors there is a brand new car behind the other 2 doors there is nothing.

    Only the quizmaster knows which door opens to the car.
    The contestant is asked to pick a door.

    After choosing and without revealing if the contestant is right or wrong the quizmaster then opens one of the remaining 2 doors revealing nothing behind it.
    He then invites the contestant to switch his choice if he so desires or remain with his original choice.

    You are the contestant what would you do? And why?

    (note to David44, ootai and Troy, the colour of the contestant's shoes is irrelevant )

  5. #180
    Isle of discombobulation Joe 90's Avatar
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    Reverse psychology, the quizmaster obviously knows the contestant has chosen the correct door.
    So sows the seed of doubt in an affable manner in order to change the mind.
    Crafty cooker wants the car for himself.
    Love a bit of bully

    Jim Bowen -" look what you could have won"

    Yep Lulu, There's another arrow to my quiver
    Shalom

  6. #181
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    Quote Originally Posted by Joe 90 View Post
    Reverse psychology, the quizmaster obviously knows the contestant has chosen the correct door.
    So sows the seed of doubt in an affable manner in order to change the mind.
    Crafty cooker wants the car for himself.
    Love a bit of bully

    Jim Bowen -" look what you could have won"
    Yes, Joe, whilst it's lovely to hear your intellectual thought process at this ungodly hour, I have to report that the answer you have supplied is surprisingly wrong.

  7. #182
    Isle of discombobulation Joe 90's Avatar
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    I beg to differ

    I have brief moments of clarity and believe I am correct.

    However, we shall see what other members thoughts are.
    I particularly like to hear Lulu the fountain of all knowledge answer to the question.

  8. #183
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    Monty Hall's flying Circus says it is important to word the poser correctly to avoid combobulation

  9. #184
    Isle of discombobulation Joe 90's Avatar
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    Quote Originally Posted by david44 View Post
    Monty Hall's flying Circus says it is important to word the poser correctly to avoid combobulation
    Herein lies the problem of discombobulation, the truth is out there.
    One must combobulate!

  10. #185
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    Quote Originally Posted by Iceman123 View Post
    Brainteaser

    The quizmaster shows the contestant 3 doors, behind 1 of these doors there is a brand new car behind the other 2 doors there is nothing.

    Only the quizmaster knows which door opens to the car.
    The contestant is asked to pick a door.

    After choosing and without revealing if the contestant is right or wrong the quizmaster then opens one of the remaining 2 doors revealing nothing behind it.
    He then invites the contestant to switch his choice if he so desires or remain with his original choice.

    You are the contestant what would you do? And why?

    (note to David44, ootai and Troy, the colour of the contestant's shoes is irrelevant )

    How do you know the colour of his shoes aren't important, and don't forget to say if he has each of them on the correct foot!
    as for the question I would tell me to fuk off I already have a car.

    Plus thank you for the entertainment yesterday. I will admit that I am not the greatest fan of statistics but I believe I have come to a satisfactory point where I have explained the problem and answer in a way that I am happy with so just in case you are wondering I will restate the problem and the answer. Please don't throw your dummy out of the cot again.

    Problem: Iceman is a prick
    Solution: Annoy him until he fuks off.

  11. #186
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    Well done ootai - if you don’t know the answer just change the subject.

    BTW - were you feeling shit when you were caught cheating countless times on the Wordless thread?

  12. #187
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    LADIES play the ball and not the man

    What is the capital in Siam?

  13. #188
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    Quote Originally Posted by david44 View Post
    LADIES play the ball and not the man

    What is the capital in Siam?
    S seems TD won't accept a single letter reply

  14. #189
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    Quote Originally Posted by ootai View Post
    S seems TD won't accept a single letter reply
    Correctumundo, no pulling the Krungthepmahana CON over your eyes ootai

    Well done stick one up

  15. #190
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    Quote Originally Posted by david44 View Post
    Monty Hall's flying Circus says it is important to word the poser correctly to avoid combobulation
    We have a winner...

  16. #191
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    Quote Originally Posted by Edmond View Post
    Off the top of me head, Boston Massa-chews-its?





    Gotta be the Kwakka H2.
    Cambridge Massachusetts, I'll give you that.

    Not the H2.

  17. #192
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    Quote Originally Posted by Barty View Post
    Jigger?

    Correct

  18. #193
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    Quote Originally Posted by david44 View Post
    It was the Reichsmark
    Sehr gut.

    Quiz Round 1.

    1. What did the late Queen Elizabeth II eat for breakfast every day?

    2. What is this called?



    3. In the world of gym supplements, what does BCAA stand for?
    Branched-chain amino acids


    4. There are three 7 letter words with X and Z, a point each.

    5. What actor played Paul Sheldon in the movie Misery
    James caan

    6. Name all former members of The Rolling Stones? 10 points

    7. Assuming it wasnít a hoax, who were the first 3 people to walk on the moon? Bonus point for the 2nd manís real first name

    8. What is the symbol for Mercury on the Periodic Table?
    Hg


    9. To the nearest hundred, how many islands are there in Scotland?

    10. The smallest mammal in the world is found in West Thailand and South-East Myanmar, what is it?
    Bumblebee bat


    11. Where was the previous King of Thailand born?
    Cambridge Massachusetts USA


    12. What is the fastest street legal production motorcycle in the world in 2022?

    13. What was the French Noblewoman Jeanne De Clisson (AKA The Lioness of Brittany) most famous for?

    14. What was the currency of Germany During WWII?

    15. Which 4 animals have rectangular pupils?

    16. What is the Capital City of Moldova?

    17. Who became The Incredible Hulk when angry?
    Bruce banner

    18. What is the boiling point of water in Fahrenheit?
    212oF

    19. What was the first product ever sold online?

    20. Acronym, what does ZIP stand for in ZIP Code?
    Lang may yer lum reek...

  19. #194
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    dirk diggler's Avatar
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    The TD Quiz Team is looking like finishing round 1 in joint 3rd place.

  20. #195
    I am not a cat
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    The main problem here is that diagnostic tests do not have a single value of "accuracy". They are defined by two terms, namely specificity and sensitivity.

    Sensitivity is the "true positive rate" which is the probability of a test returning positive, if the person is indeed positive.

    Specificity is the "true negative rate" which is the probability of a test returning negative, if the person is indeed negative.

    So, in this example the specificity might be 95%, but the sensitivity cannot be 95% - because the rate at which it correctly identifies a "true positive" is 1/50 or 2%.

    So the test is 95% specific and 2% sensitive. Which would have it in a bin.

    While the problem may have some fun aspects, it is not based in an understanding of diagnostic tests.

  21. #196
    . Neverna's Avatar
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    Quote Originally Posted by dirk diggler View Post
    1. What did the late Queen Elizabeth II eat for breakfast every day?
    Kippers?

  22. #197
    Praise Jesus
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    Greek balls.

  23. #198
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    Toast and marmalade?

  24. #199
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    Soft boiled eggs with soldiers?

    With a side of Greek sausage.

  25. #200
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    Kedgeree?

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