Evan is a 75 yo veteran who is experiencing ringing in his e…

Evan is a 75 yo veteran who is experiencing ringing in his ears that is persistent despite the lack of sounds. It has begun to be detrimental to his mental health as it disrupts sleep and concentration as well as causing excessive stress and anxiety. Which of the following should be put in his medical record? 

A test has 48 multiple choice questions with possible answer…

A test has 48 multiple choice questions with possible answers A, B, C, and D.  Only one answer is correct.  A student taking the test answers every question by guessing randomly.  What is the probability that the student will get exactly 15 questions correct? Use the Binomial Distribution formula: P(x) = nCx px (1 – p)n-x Give your answer in decimal form rounded to four decimal places, e.g., 0.1234) The probability is