T cells are frequently at fault for causing damage in autoim…

T cells are frequently at fault for causing damage in autoimmune disorders and in transplant rejection.  As an immunologist, your dream is to discover a method for decreasing T-cell response to self-antigens.  Which of the following would be the BEST target for your research?

A box contains 75 red marbles, 45 white marbles, and 30 blue…

A box contains 75 red marbles, 45 white marbles, and 30 blue marbles. PART A (3 points): If one marble is randomly selected, find the probability that it is blue. PART B (3 points): If one marble is randomly selected, find the probability that it is NOT blue.   ________________________________________________________ DIRECTIONS for SHOWING WORK: Show all relevant steps, including any formulas you use, so it’s clear how you obtained your answer.  See the link to the formula sheet below. Use the EQUATION EDITOR to type all fractions, mathematical equations, and formulas. Round your final answer to four decimal places (e.g., “0.1234”) as needed. ________________________________________________________ Midterm Exam Formula Sheet