Multiple-choice questions each have four possible answers (a comma b comma c comma d ), one of which is correct. Assume that y
1 answer:
Answer:
0.140625
Step-by-step explanation:
Given that multiple-choice questions each have four possible answers (a comma b comma c comma d ), one of which is correct. Assume that you guess the answers to three such questions.
Each question is independent of the other with constant probability
p = Prob for correct guess = 1/4 = 0.25
q = prob for wrong guess = 1-p = 0.75
Hence
, since each question is independent of the other
=
You might be interested in
Answer:
The answer is 4/9
Step-by-step explanation:
Hi. Here's the work.
First turn everything into an improper fraction.
÷
=
÷
To divide fractions we multiply by the flipped version of the fraction, or the reciprocal.
÷
=
Now we just multiply the fractions!
=
The answer is therefore 4/9. Please mark brainliest if possible and i hope you get a good grade on your homework. ;)