Question 3 (2 pts) Given the histogram of a bootstrap samples' statistic, we want to obtain its centered 90% confidence interval. Where is the left side threshold for the lower bound? a) 0.025 quantile b) 0.05 quantile c) 0.975 quantile d) 0.5 quantile Question 4 (2 pts) Which of the following can be a conjugate prior for a geometric distribution? a) Normal b) Uniform c) Poisson d) None of the above Question 5 (2 pts) Transforming a matrix with a left multiplication of an orthonormal matrix only rotates the data. a) True b) False