Answer to Question #84193 in Statistics and Probability for Ra

Question

Which of the following statements are true and which are false? Justify. (10) a) The area under the curve of a standard normal distribution between ∞− and 0 is 0.45. b) If the probability of being left-handed is 0.1, the probability that none of the 3 persons selected randomly is left-handed is 0.729. c) If the correlation coefficient is zero, then the relationship between Y and X is positively linear.