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

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

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

The probability of guessing correctly atleast 8 out of 10 answers on a true-false type examination is .........

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

Find the probability of guessing at least 6 out of 10 answers in i) True false type examination ii) Multiple choice with 4 possible answers

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.

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 correctly at least six of 10 answers in True or False objective test is