Iam having trouble in this class and i pay !

use the tree diagram from example 9 in the task. what is the probability that a student will make exactly a 50% on the true/false test?

group of answer choices

1/16

3/8

1/4

1/2

use the tree diagram from example 10 in the task. what is the probability that a student will get all the answers wrong?

group of answer choices

1/16

81/256

1/2

1/8

use the example from question 11 on the task. what is the probability that a student would pass the quiz (80 or 100).

group of answer choices

0.0064

0.00032

0.00672

0.40