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Ika Lob

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Ika Lob last won the day on March 28 2018

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  1. Ok... Let's say its the middle of the 14th century and the black death is about to break out. The kingdom of Arthur XI knows this, and wants to be prepared. King Arthur oversees a kingdom in which a free market operates. The producers in this kingdom do not produce enough medical leaves which can cure the black death. How should the king "intervene" in this market to make sure that all people infected with the black death will get a medical leaf? (Or at least there will be enough production of such medical leaves) Use market failure please. I would say at least one graph of it.
  2. Let's say professor Snape is about to cast a terrible spell on all students of Hogwarts. Let's say that Harry know that professor Snape wants to cast this terrible spell on many students at Hogwarts. This spell will make them sick. Very sick. Now, Harry wants to have as many pots of magic liquid as possible, in order to be ready for this spell, so that he can then cure all the infected students with this magic liquid. When Snape casts the spell, he wants to be ready to cure everyone. However! There is not enough pots of magic liquid being made, therefore there must be a market failure because
  3. You are choosing not to answer a question from the easiest part of the syllabus because.... why?
  4. Which questions did you do and how did you find the paper? I studied a lot for Italian unification and it just so happened that it was the first time in the history of the IB when a question on Italian unification required the knowledge of German unification also. When I read it, I was already thinking of how I would retake the exam in November. However, luckily, there were a few very open-ended question that I took advantage of. At the end, all 5 of my essays were on Hitler I did: 1. The impact of Wold War I on the domestic affairs one country (Germany) 2. The effects of The Great Depression
  5. Does anyone remember which topics the questions were on from 1-7? I remember from paper 1 (1. Arithmetic, 2. Probability, 3. Vectors, 4. Derivative, 5. Natural Logarithms, 6. Statistics, 7. Matricies) What about paper 2 (TZ2) ?
  6. Yeah, you need to use binomialpdf on your calculator. There were 4 trials, the desired outcome had the probability of 4/16 and X=3 and 4. Basically, you have to plug in your calculator Binompdf(4, (4/16), 3) and Binompdf (4, (4/16), 4) and the sum of the two numbers is the answer. Your method seems right, but the logic I followed was finding binomcdf(4, (4/16), 2) and then subtracting that from 1. Both approaches seem identical in yield (too lazy to check with a calculator ). Yeah, exactly, that's another way to do it.
  7. Yes but A does not = amplitude. Just like B does not equal the period. 2pie/B equals the period and the absolute value of A is the amplitude.
  8. I think you're right. Are you saying that since they did not give even a variable for the horizontal shift, it is assumed to be zero? It was A cosBx + C. So if it had been A cosB(x-D) + C and they asked us to find A, B and C, then it could have been A= 50 or -50 (given that we could alter the horizontal shift).
  9. I am almost sure that the value of A can equal 50 OR -50. That's because the cosine function does not "start" at a specific point (t=0). It's continuous, having multiple revolutions. Therefore, although after t=0, the curve was going upwards (and since it is a cosine function, you would consider this to be negative, since cos goes upwards), after t=2, the curve starts going down, therefore you can also say that A= 50. The only variable being affected by a cosine is the horizontal shift. Otherwise, the amptitude, period and vertical shift are always the same for both cosine and sine functions.
  10. Yeah, you need to use binomialpdf on your calculator. There were 4 trials, the desired outcome had the probability of 4/16 and X=3 and 4. Basically, you have to plug in your calculator Binompdf(4, (4/16), 3) and Binompdf (4, (4/16), 4) and the sum of the two numbers is the answer. Were there 4 trials? Lol, what a stupid mistake for me to make oh well... I made the exact same dumb mistake on the exam. Taking 5 trials.. that sum of 5 thing must have gotten me confused. The number of trials = the number of times he rolled the dice. Don't remember what the question said, but if he rolled the
  11. Yeah, you need to use binomialpdf on your calculator. There were 4 trials, the desired outcome had the probability of 4/16 and X=3 and 4. Basically, you have to plug in your calculator Binompdf(4, (4/16), 3) and Binompdf (4, (4/16), 4) and the sum of the two numbers is the answer.
  12. Did ANYONE get the very last question, 10.C ? It was worth 7 points and no one at my school seemed to get it. I had 30 minutes left for the whole of last question, 10, which was 16 points and I'm pretty sure I only got about 2 points on it in total. The rest of the paper was very easy.
  13. What are some restrictions to the variables? I have said that the population cannot ever equal anything below 0. Can the same be said about time? Or would the year -5 suggest year 5 BC.
  14. How can I cite/reference the use of GDC? How do I show the steps which I used for calculating something? For example, in order to estimate the values of parameters K, L and M, I used CALC - Functions tool on my GDC.
  15. I take Georgian Self-Taught A1 Standard Level. I have my IOC and IOP next week but where can I find the rubrics/criteria for it? Regular A1 languages cannot have the same rubric, given that there you are given a passage which you then make a commentary for while in self-taught you have to bring your own passage and they give you a question to answer. Any ideas?
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