October 2010 Math SAT Thread

<p>"@Mike: But there are three different dice…? "</p>

<p>So? Combination problems involve different objects. It didn’t ASK for the order.</p>

<p>If order mattered because 3 different dice, then its 1/54</p>

<p>If order doesn’t matter because all thrown at once, its 2/72 = 1/36</p>

<p>was 1/36 a choice?</p>

<p>(note. please correct me)</p>

<p>@ NYEM i dont think it said it had to be an integer or that it should or any other reason.</p>

<p>(6<em>3)/(1</em>2*3)=36</p>

<p>2/36</p>

<p>1/18</p>

<p>Does anyone rember the question where the answer choices were things like -2k, 4k, 8k, etc. ?</p>

<p>What was the answer for that one?</p>

<p>IMaGecko I think it was 2k??</p>

<p>Did anyone else get two math sections back to back</p>

<p>1/36 was not a choice (as I remember).</p>

<p>@Mitduke I did one with the square ratio was expermental i believe</p>

<p>^^^Yup. I think it was sections 3 and 4.</p>

<p>The answer is NOT 1/18.</p>

<p>I don’t get probability. Never have, probably never will. I’m reading all of these responses and everyone’s talking about order. What I don’t understand is if 6(1) 6(2) 6(3) (1, 2 and 3 being the number of the dice), is not different than 6(2), 6(1), 6(3), then why is 5(1), 6(2), 6(3) different than 6(1), 5(2), 6(3) if they’re both yielding the same result?</p>

<p>Does my question make sense or should I rephrase it?</p>

<p>Mike,
you’re right. it’s 216/6=36. If order didn’t matter, which I’m starting to feel that it didn’t, it’s 1/18.</p>

<p>but was the question how many ways you can get a 17,18?</p>

<p>guys it asks for the SUM of the three dice so which order they fall in doesnt matter</p>

<p>So is it 1/18??? if so then i got it right.</p>

<p>Does anyone know the answer to the absolute value/ inequality question?</p>

<p>I think this is wrong but I dont get probability, could someone explain to me why this is wrong?</p>

<p>Basically, my logic was that the probability that one of the three die is 6 is 1/6, and that one of the three die is either 5 or 6 is 1/3 so…</p>

<p>1/6<em>1/6</em>1/3=1/108</p>

<p>Yes wagsthedog has it right.</p>

<p>Also, if I got 1 wrong on math, could I still get an 800?</p>

<p>umm, I dont know usually its 1 wrong = 790 or 770 but I guess it all depends on the curve.</p>