Respuesta :
Answer:
1/10 or 10%
Step-by-step 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
Answer:
It is equally likely for 1, 2, 3, or all to be correct so probability is 1/4
Step-by-step 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