Imagine that you are taking a multiple-choice quiz written in Faroese and must guess randomly. Each question has 5 choices and 1 correct answer. Calculate the probability that you...



answer the first question incorrectly.  

answer the first 2 questions incorrectly.  

answer the first 4 questions incorrectly.  

answer at least 1 of the first 4 questions correctly.  

(Note: Enter each answer as a fraction or as a decimal rounded to the nearest thousandth.)