A single multiple-choice question has n choices, only one of which is correct. A student knows the answer with probability p. If the student does not know the answer, he or she guesses randomly. Find the conditional probability that the student knew the answer, given that the question was answered correctly.

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7