As an answer to a question , two options are given only one of which is correct , then the propbability of correctly answering at least 6 of the 10 questions is ….

In every question, four probable answer options are given, only one is correct out of them. You choose your correct answer and indicate the answer (option): Which is a nature fibre?

In an entrance test, there are multiple choice questions. There are four possible answers to each question, of which one is correct. The probability that a student knows the answer to a question is 90%. If the gets the correct answer to a question, then find the probability that he was guessing.

In an entrance test, there are multiple choice questions. There are four possible answers to each question, of which one is correct. The probability that a student knows the answer to a question is 90%. If the gets the correct answer to a question, then find the probability that he was guessing.

In an entrance test, there are multiple choice questions. There are four possible answers to each question, of which one is correct. The probability that a student knows the answer to a question is 90%. If the gets the correct answer to a question, then find the probability that he was guessing.

In an entrance test there are multiple choice questions. There are four possible answers to each equation, of which one is correct. The probability that a student knows the answer to a question is 9//10 . If he gets the correct answer to a question, then the probability that the was guessing is

In an objective paper, there are two sections of 10 questions each.For "section 1", each question has 5 options and only one optionis correct and "section 2" has 4 options with multiple answers and marks for a question in this section is awarded only if he ticks all correct answers. Marks for each question in "sectionl 1" is 1 and in "section 2" is 3. (There is no negative marking.) If a candidate in total attempts 4 questions by guessing ,then the probability of scoring 10marks is

In an entrance examinations there are multiple choice question. There are five possible answers to each question of which one is correct. The probability that a student knows the answer to a question is 80%. IF he gets the correct answer to the question, then the probability that he was guessing is

In an entrance examinations there are multiple choice question. There are five possible answers to each question of which one is correct. The probability that a student knows the answer to a question is 80%. IF he gets the correct answer to the question, then the probability that he was guessing is