The Riddle Thread….

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  • #1069331

    now if you would have said 12 oz bottles, it would be simple

    #1069332
    Dr. Pepper
    Participant

    Moderator-80-

    OK, give it a shot- you just might give him the hint he needs to figure it out.

    #1069333

    Dr. Pepper-

    I don’t really know the calculation involved, but using this post of yours:

    http://www.theyeshivaworld.com/coffeeroom/topic/the-riddle-thread/page/32#post-153407

    …and this explanation of nCr (which I think helped me understand it):

    http://www.xtremevbtalk.com/showthread.php?t=112460

    I’ll try this:

    (8 nCr 3) * ((1/12)^3) * ((11/12)^5)

    =

    56 * 0.0005787037037037037037037037037037 * 0.64722784850823045267489711934156

    =

    0.020974976572025986892242036249453

    or about a 2% possibility

    (fractions derived using the Windows calculator)

    Now, here’s homework for the teacher:

    1) If the answer is correct but clumsily done, please show the correct way of doing it.

    2) If the answer is incorrect, please show where the mistake(s) lie(s).

    #1069334
    Dr. Pepper
    Participant

    Exactly!

    #1069335

    Dr. Pepper-

    If that was in response to my answer, give yourself credit for teaching an old dog a new trick.

    Arf!

    #1069336
    Dr. Pepper
    Participant

    I can only try-

    Yes, it was in response to your answer.

    I noticed that the posts are only being approved every couple of hours or so. When I logged on and saw that some where recently approved I wanted to send a quick post before the mod logged off for the night, therefore I only had time for a one word reply.

    Here’s the formula I used in Excel =BINOMDIST(3,8,(1/12),FALSE)

    #1069337
    squeak
    Participant

    and how many standard deviations from the mean would winning 3 times be?

    #1069338
    Dr. Pepper
    Participant

    Is this for ICOT or can I answer?

    #1069339
    squeak
    Participant

    Nah, go ahead. I wouldn’t know what to do with the answer anyway.

    #1069340
    Dr. Pepper
    Participant

    The mean is 2/3 and the variance is 88/144 => the standard deviation is .781735959970572.

    3 is 7/3 from the mean which is 2.98481002897854 standard deviations.

    #1069341
    blueberrymuffin
    Participant

    This thread needs a revival! Anyone have any good riddles….?

    #1069344

    Going to the Dogs

    every answer to this quiz is dog-related in some way

    6) Buck is the main character of this early 20th-century novel, set in 19th-century Alaska.

    7) The annual Iditarod race commemorates the delivery of life-saving serum to Nome, Alaska by packs of sled dogs, thereby bring an end to the outbreak of this disease.

    8) Balto, the most famous of the serum-delivering dogs is memorialized with a statue in this park.

    11) Winston Churchill and Orel Hershiser share this nickname.

    13) Nipper famously listened for (and to) this.

    14) This U.S. President had him as a Buddy.

    17) The “Dog Star”.

    18) A small tent.

    19) A type of three-masted sailing ship.

    20) “Searchlight” is Little Willy’s dog in this popular 1980 children’s novel by John Reynolds Gardiner about a dogsled race.

    have fun & don’t go barking up the wrong tree

    #1069345
    squeak
    Participant

    With somewhat more delay than usual in moderating, I’m thinking that this is the thread to be in- gives everyone a chance to keep thinking about the riddle without seeing anyone else’s answers for a while.

    1. Which English language word is most frequently spelled wrong?

    2. What has one horn and gives milk?

    3. What starts with “T”, ends with “T”, and is full of “T”?

    4. What word becomes shorter by adding letters to it?

    5. What 3 letter English word has an odd start, and even finish, and an infinitely long middle?

    6. What falls but never breaks? Breaks but never falls?

    7. Forward it is heavy, but backward it is not. What is it?

    And finally….

    Finish the pattern:

    1=3

    2=3

    3=5

    4=4

    5=4

    6=3

    7=5

    8=5

    9=4

    10=3

    11=?

    12=?

    #1069346

    1.wrong

    2.milk delivery vehicle

    3.teapot

    4.short

    #1069347
    blinky
    Participant

    #1 is “wrong”?

    #3- teapot?

    #1069348

    yes wrong is spelled w r o n g

    the word begins with letter t, ends with letter t

    and a teapot is filled with T (tea)

    #1069349
    blinky
    Participant

    I googled a couple of the others…does it count if i post it? Or should i give someone a chance to figure it out?

    p.s. my previous answers were NOT googled

    #1069350
    blinky
    Participant

    Mod 80 i was answering the riddle! I wasn’t questioning your answers i just didn’t see your answers- it was posted the same time as mine was.

    #1069351
    squeak
    Participant

    so far, so good blinky & mod80

    #1069352
    Dr. Pepper
    Participant

    1=3

    2=3

    3=5

    4=4

    5=4

    6=3

    7=5

    8=5

    9=4

    10=3

    11=6

    12=6

    #1069353

    oh, sorry

    the question marks threw me

    #1069354
    squeak
    Participant

    Yup. I’m glad I riddled you easy this time, Dr., so that you could solve it 😉

    #1069355
    blinky
    Participant

    the question marks threw me

    Cool!- Where?

    #1069356

    11=6

    12=6

    #1069357
    Dr. Pepper
    Participant

    Squeak:

    Here’s my question for you-

    If the binomial distribution is discrete why do you care what the standard deviation is?

    #1069358

    from the land of Figurativeness onto concrete

    #1069359
    blinky
    Participant

    #5- vex (ok i cheated on this one)

    #1069360
    squeak
    Participant

    I told you, I wouldn’t know what to do with the answer.

    #1069361
    Dr. Pepper
    Participant

    If you tell me what the “wagon” is I’ll tell you why you need it.

    #1069362

    since the binomial distribution is generally discrete you can trust it. there is no standard deviation, every binomial distribution deviates according to its own nature and environment.

    #1069363
    squeak
    Participant

    Since you insist, I will cave.

    If I have a large number of binomially distributed events, I can use the central limit theorem to assess them with a normal distribution and give meaning to the standard deviation.

    Thought you had me there, didn’t ya? I’m not entirely fuddy-duddy.

    #1069364
    Dr. Pepper
    Participant

    There sure is a standard deviation.

    (Given parameters m and q the standard deviation is (m * q * (1-q) )^.5)

    #1069365
    squeak
    Participant

    I assume that in your job you use the binomial for frequency? What about credit scores- or is that only severity?

    #1069366
    Dr. Pepper
    Participant

    squeak-

    You don’t need it in that case, you can use it if you wish.

    Where do you need to use it?

    #1069367
    blinky
    Participant

    #7 is “ton”

    (thank you squeak for posting riddles that the general klal can figure out!- no offense doctor p. and others…)

    #1069368
    Dr. Pepper
    Participant

    squeak-

    We use it for both frequency and severity (as long as the variance is less than the mean and the distribution is discrete).

    I don’t work with credit scores.

    #1069369
    squeak
    Participant

    are we at an impasse?

    #1069370
    Dr. Pepper
    Participant

    4. What word becomes shorter by adding letters to it?

    Short becomes shorter when adding the er to it.

    #1069371
    blinky
    Participant

    #7 is night and day

    #1069372

    #6-night fall and daybreak

    #1069373
    squeak
    Participant

    OK, you got them all. Here’s another for the general klal to answer (I request Dr. Pepper to wait a bit).

    Hug-a-Rug Drug Company has just gotten FDA approval for a new medical test to determine if a person is allergic to carpet fibers. One in seventy people in the general population are allergic to carpet fibers. In the clinical trial, 1,000 subjects were tested, of which 500 were known to be allergic and 500 were known to not be allergic. The test results were as follows:

    460 of the allergic people tested positive (true positive)

    10 of the non-allergic people tested positive (false positive)

    490 of the non-allergic people tested negative (true negative)

    40 of the allergic people tested negative (false negative)

    Samuel E. Hutchueson, a.k.a. Sam “Sneezy” is the first person to be tested outside the clinical trial. His test results are positive. How certain are we that ole’ Sneezy is allergic to carpet fiber?

    #1069374
    Dr. Pepper
    Participant

    Can I use a Venn Diagram?

    #1069375
    squeak
    Participant

    When it’s your turn 🙂

    #1069376
    oomis
    Participant

    With somewhat more delay than usual in moderating, I’m thinking that this is the thread to be in- gives everyone a chance to keep thinking about the riddle without seeing anyone else’s answers for a while.

    1. Which English language word is most frequently spelled wrong?

    2. What has one horn and gives milk?

    3. What starts with “T”, ends with “T”, and is full of “T”?

    4. What word becomes shorter by adding letters to it?

    5. What 3 letter English word has an odd start, an even finish, and an infinitely long middle?

    6. What falls but never breaks? Breaks but never falls?

    7. Forward it is heavy, but backward it is not. What is it?

    1. W-R-O-N-G

    2. a milk delivery truck

    3.

    4.short

    5.

    6.something to do with the weather, climate, or seasons

    7.ton

    Best I could think of al regel achas…

    #1069377
    oomis
    Participant

    oomis, silly- you don’t bury survivors!!

    I was (ahem…) being SARCASTIC!!!!!!

    #1069378

    E

    the answer to icots riddle on the first page from 1 year ago

    it took me a while

    #1069379
    squeak
    Participant

    It appears there are no takers….

    I’d love to see a solution using Venn diagrams.

    #1069380
    blinky
    Participant

    sorry squeak- this doesn’t fall into the “general klal” riddle

    #1069381
    squeak
    Participant

    Speaking of ICOT, he posted on this page, but no one answered. I didn’t want to ‘chap’ anything, but now I guess it’s OK.

    6) Buck novel: Call of the Wild, by London (attention Wolfish)

    7) Iditarod commemorates end of this disease: Diptheria

    8) Balto statue in this park: Central Park!

    11) Churchill & Hershiser nickname: (British) Bulldog – one shares half his nickname, the other, all of it.

    12) Laika: Was a Russkie space dog on Sputnik, wasn’t she? Died, though- ah! the dog was “short-lived”, not the fame.

    13) Nipper listened for this: His Master’s Voice (I chuckled at the memory).

    14) U.S. President’s pet Buddy: Clinton (everyone knows Socks the cat, but not Buddy and Seamus. Why?)

    17) The “Dog Star”: Sirius

    18) A small tent: Pup

    19) A type of three-masted sailing ship: Stumped me.

    20) “Searchlight” dog John Reynolds Gardiner: Stone Fox

    #1069382
    squeak
    Participant

    blinky- The correct answer doesn’t, but usually people will see an easy solution which is wrong. Maybe I should have worded it differently, to elicit that response.

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