Mathematics, 18.08.2021 02:20 nady82

Imagine that you are taking a multiple-choice quiz written in Icelandic and must guess randomly. Each question has 3 choices and 1 correct answer. Calculate the probability that you a. answer the first question incorrectly.
b. answer the first 2 questions incorrectly.
c. answer the first 5 questions incorrectly.
d. answer at least 1 of the first 5 questions correctly.

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