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

Find the probability of guessing correctly at least 5 of the eight answwers in a true false objective test.

Find the probability of guessing correctly at least 5 of the eight answers in a True-False objective test.

What is the probability if guessing correctly at least six of the ten answers in a TRUE-FALSE objective test ?

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 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 ?

Three Coins are tossed: What is the probability of getting at least one tail?

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

A coin is tossed n times. The probability of getting head at least once is more than 0.8 , then the value of n is

Two dice are thrown simultaneously the probability of getting a total of at least 10 is

On a multiple choice examination with 4 possible answers for each of 6 questions the probability that a student would get at least two correct answers just by guessing is -