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What is probability of getting 20 multiple choice questions wrong in a row?
Let us say that for each question, there are n multiple choices. If this is true and false, then n=2. The chance of getting a right answer is 1/n and wrong answer (n-1)/n. I will define p as getting a wrong answer one time (p = (n-1)/n so the probability of 20 wrong answers is p20. Now for n = 4, p=0.75 and the chance of 20 wrong answers in a row is: (0.75)20= 0.0032 or 0.32%.
What is the percentage of 2 wrong out of 120 questions?
percentage of 2 wrong out of 120 questions = 1.67%% rate:= 2/120 * 100%= 0.0167* 100%= 1.67%
How do you find out how many possible answers there are to the following question 10 questions and the answer is either a or b for each question?
10 questions with 2 answers each equals 20 possible answers. The combination of possible answers for the series would be much higher starting with they could be all a or all b then the first one a and the rest all b then the first two a the rest b etc
If you have five multiple choice answers and all the combination put together equal 31 why is it 31?
If you have 5 questions, each with only two possible answers, the total number of combinations is 2*2*2*2*2 or 2^5 = 32. If the questions are all multiple choice and independent (ie no filters), then the total number of combinations must be the multiple of the numbers of choices for the questions.
Does WikiAnswers give answers to math questions?
All but the simplest math questions are welcome and may be answered on WikiAnswers. (Simple calculation questions will be removed, eg. "what is 2+2".) Yes, wiki answers will help you to solve your math problems. Simple problems are solved directly, but for complex problems they will suggest related sites where you can get math questions with solutions.
What is the percentage of 2 wrong answers out of 26 questions?
It is 7.69% error (approx).
What is probability of getting 20 multiple choice questions wrong in a row?
Let us say that for each question, there are n multiple choices. If this is true and false, then n=2. The chance of getting a right answer is 1/n and wrong answer (n-1)/n. I will define p as getting a wrong answer one time (p = (n-1)/n so the probability of 20 wrong answers is p20. Now for n = 4, p=0.75 and the chance of 20 wrong answers in a row is: (0.75)20= 0.0032 or 0.32%.
If you get 2 wrong out of 20 questions what is your grade?
If you get 2 wrong out of 20 then its a 90 percent
How many questions can you get wrong to get an 80 percent out of 50 questions?
10 is the answer,because 100 - 80 = 20 divide that by 2 and you get the answer. 50 - 40 = 10
What are the release dates for Questions and Answers 2 - 2009?
Questions and Answers 2 - 2009 was released on: USA: 28 September 2009
What is 40 questions right - 2 questions wrong?
38
What is the percentage of 2 wrong out of 120 questions?
percentage of 2 wrong out of 120 questions = 1.67%% rate:= 2/120 * 100%= 0.0167* 100%= 1.67%
How many wrong answers can you get out of 75 questions to get a 70 percent?
You can get at most 22 questions wrong, otherwise you will score less than 70 %. To get 70% right you can get 100 % - 70 % = 30 % wrong 30% of 75 = 30/100 x 75 = 22.5 I assume you can't get 1/2 a question wrong, so you can get at most 22 questions wrong otherwise you will score less than 70 %.
What is 8 out of 20 questions?
It is 2/5 questions.
What do you call questions with only 2 answers?
In my line of work they are known as filter questions
1999 ford wind-star it only blows air to the windshield also the blower velocity stays in HIGH no matter what position i put them on what could be wrong?
2 different questions, 2 different answers...See "Related Questions" below for both
How do you get an 84 on a 25 question quiz using negative numbers?
There are loads of ways: If the scores for a correct and wrong answers are (108, -1) and you get 1 correct; If the scores for a correct and wrong answers are (132, -2) and you get 1 correct; If the scores for a correct and wrong answers are (156, -3) and you get 1 correct; and so on, OR If the scores for a correct and wrong answers are (65, -2) and you get 2 correct;If the scores for a correct and wrong answers are (88, -4) and you get 2 correct; and so on, OR skipping a whole lot of intermediate possibilities, If the scores for a correct and wrong answers are (4, -12) and you get 24 correct.
