A test is composed of six multiple choice questions where each question has 4 choices.?

Maria

New member
If the answer choices for each question are equally likely, find the probability of answering 3 OR 4 questions correctly.
a) 0.131836
b) 0.032959
c) 0.004639
d) 0.164795
I'm so lost, so please any help is much appreciated.
 
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