JEE Previous Year Question
Probability of guessing correctly atleast 7 out of 10 answers in a "True" or "False" test is
Topic: JEE PYQ
Answer: A. Full step-by-step solution below.
- A
- B
- C
- D
Correct answer: A
Solution
(a) : Here, success failureRequired probability
More Probability PYQs
- Four fair dice are thrown independently times. Then the expected number of times, at least twodice show up a three or a five…
- Let denote the complement of an event . Let and be any pairwise independent event…
- Given three indentical bags each containing 10 Balls, whose colours are as follows: Red Blue Green Bag I 3 2 5 Bag II 4 3 3 Bag II…
- A target is to be destroyed in a bombing exercise and there is a chance that a bomb will hit the target. Assuming t…
- If the mean and variance of a binomial distribution are 4 and respectively, then