What is the probability of guessing corr...

What is the probability of guessing correctly at least 8 out of 10 answer on true-false examination?

`(7)/(64)`

`(7)/(128)`

`(45)/(1024)`

`(7)/(41)`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

PROBABILITY
VMC MODULES ENGLISH|Exercise LEVEL - 1|95 Videos
PROBABILITY
VMC MODULES ENGLISH|Exercise LEVEL - 2|49 Videos
PERMUTATION & COMBINATION
VMC MODULES ENGLISH|Exercise JEE ARCHIVE|50 Videos
PROPERTIES OF TRIANGLE
VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|50 Videos

Similar Questions

Explore conceptually related problems

The probability of guessing correctly atleast 8 out of 10 answers on a true falsetype examination is

Find the probability of guessing at least 6 out of 10 answers in True false type examination

Find the probability of guessing correctly atleast 6 out of 10 questions in (i) True or false type examination (ii) multiple choice with 4 possible answers.

The probability of guessing atleast 8 correct answers out of 10 true /false questions

What is the probability of getting at least three heads when flipping four coins?

The overall percentage of failures in a certain examination is 40. What is the probability that out of a group of 6 candidates at least 4 passed the examination?

The probability that a student will pass the final examination in both English and Hindi is 0.5 and the probability of passing neither is 0.1. If the probability of passing the English examination is 0.75. What is the probability of passing the Hindi examination?

The probability of guessing the correct answer to a certain test questions is x/(12) If the probability of not guessing the correct answer to this question is 2/3 then x = (a)2 (b) 3 (c) 4 (d) 6

Answer in true or false: p+q=q-p

100 students appeared for two examinations. 60 passed the first, 50 passed the second and 30 passed both. Find the probability that a student selected at random has passed at least one examination.

VMC MODULES ENGLISH-PROBABILITY-JEE ADVANCED (ARCHIVE)

What is the probability of guessing correctly at least 8 out of 10 ...
Text Solution
|
Three boys and two girls stand in a queue. The probability, that the n...
Text Solution
|
Four fair dice , D1 D2, D3 and D4 each having six faces numbered 1,2,3...
Text Solution
|
Let omega be a complex cube root of unity with omega ne 1. A fair die ...
Text Solution
|
If three distinct number are chosen randomly from the first 100 natura...
Text Solution
|
Two numbers are selected randomly from the set S={1,2,3,4,5,6} without...
Text Solution
|
about to only mathematics
Text Solution
|
7 white balls and 3 black balls are kept randomly in order. Find the p...
Text Solution
|
Three of the six vertices of a regular hexagon are chosen the rando...
Text Solution
|
three identical dice are rolled . Find the probability that the same n...
Text Solution
|
about to only mathematics
Text Solution
|
about to only mathematics
Text Solution
|
Box 1 contains three cards bearing numbers 1, 2, 3; box 2 contains fiv...
Text Solution
|
Box 1 contains three cards bearing numbers 1, 2, 3; box 2 contains fiv...
Text Solution
|
Three faces of a fair dice are yellow, two faces red and one blue.The ...
Text Solution
|
If (1 + 3p)/(3), (1 - p)/(4) and (1 - 2p)/(2) are the probabilities of...
Text Solution
|
A box contains 100 tickets numbered 1,2,3......100. Two tickets are ch...
Text Solution
|
A determinant is chosen at random from the set of the determinants of ...
Text Solution
|
If the letters of the word ASSASSIN are written sown in a row, the pro...
Text Solution
|
An unbiased dice, with faces numbered 1, 2, 3, 4, 5, 6, is thrown n ti...
Text Solution
|
If pa n dq are chosen randomly from the set {1,2,3,4,5,6,7,8,9, 10} wi...
Text Solution
|