If a student takes a test consisting of 20 true-false questions and randomly guesses at all of the answers, which of the following is equal to the probability that all 20 guesses will be correct?
W) (1/2)^20 [one half to the power of 20]
X) (1/2)^10 [one half to the power of 10]
Y) 1/2(20) [the product of one half and 20]
Z) 1/2
✔️Answer:W) (1/2)^20
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