Test: Chapter 17 Test Question . Of 10 This question: 2 Submit test point(s) possible A dishonest coin with probability of heads p = 0.75 is tossed n = 768 times. Let the random variable X represent the number of times the coin comes up heads. (a) Find the mean and standard deviation for the distribution of X. (b) Find the first and third quartiles for the distribution of X. (c) Find the probability that the number of heads will fall somewhere between 552 and 600 (a) H = (Type an integer or a decimal.) = (Round to the nearest integer as needed.) (b) Q1 ~(Round to the nearest integer as needed.) Q3 ~ (Round to the nearest integer as needed.) (c) The probability is% (Round to the nearest integer as needed.)