Question 1075791
Out of 5 possible answers for each question, 4 are wrong. So the probability of getting all questions wrong is .8^10, or 0.1073741824. The probability of getting at least one right is 1-0.1073741824, or 0.8926258176, or an 89.26258176% chance. &#9786;&#9786;&#9786;&#9786;