Question

A multiple choice question has five answer options of which two are correct, whast is the probabliuty od randoml;y choosing the correct pair?

Answer 1

It is equally likely for 1, 2, 3, or all to be correct so probability is 1/4

Explanation:

Toltal ways in which 2 options can be correct is (42), which is 6. Out of these only 1 is correct. So probability of selecting correct answer is 1/6. Since he has 5 chances the probability of getting marks is 1−(56)5. hope this helps if not let me know have a nice day

Answer 2

1/10 or 10%

Explanation:

Probability of choosing one correct response: (2 correct options, 5 choices)

2/5

Once we've chosen one correct response, there are 4 options left, one of which is correct:

1/4

2/5 * 1/4 = 2/20 = 1/10

Hope this helps <3