A spinner marked off in eight equal sized regions numbered 1 2 3 4 5 6 7 and 8 is spun once Let the random variable X be the number of the region where the pointer stops and define a probability mass function f x P X x a State the range of X b Write f as a set of ordered pairs c Draw the probability distribution as a histogram d Find f 3 and explain what this number represents e Find and explain what this number represents OA Ay 12345678 Q A The value of f 3 is B 8 OA The mean is OB The mean u is 12 1 2 3 4 5 6 7 8 78 d Select the correct choice below and if necessary fill in the answer box to complete your choice Type an exact answer in simplified form Use the answer from part b to find this answer Q 1 and represents the probability the spinner lands on that region 8 B The value of f 3 is and represents the average value of the spins e Select the correct choice below and if necessary fill in the answer box to complete your choice and represents the average value of the spins and represents the probability of landing on one of the regions CIB C 1 9 0123456 SOU OD co 01234567 4 SOU