Suppose you are taking a multiple-choice test with c choices for each question. in answering a question on this test, the probability that you know the answer is p. if you dont know the answer, you choose one at random. what is the probability that you knew the answer to a question, given that you answered it correctly?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.