Will the marginal entropy H(Y) increase, decrease, or stay the same?

You are building a regression model to predict house prices based on features such as size, age, number of rooms, and location. You are considering two feature transformation techniques: Principal Component Analysis (PCA)} to reduce dimensionality. Polynomial feature expansion} to capture nonlinear relationships. Which of the following statements are true in this scenario?

Under EM, what is the (normalized) responsibility of Cluster 1? Round to 3 decimal spaces. 

What percentage of the total variance is retained by the first 3 principal components? Round to the nearest whole number.

Question Set 1: Clustering

You are developing a classifier for a biomedical dataset with 500 features and only 120 labeled samples. You aim to improve generalization and interpretability by selecting a subset of features before training. Which of the following statements are true?

A nurse is reviewing the laboratory results on a school-age child with hypoparathyroidism. Which results are consistent with this condition?

The nurse is preparing to administer epinephrine 0.001 mg/kg. The child weighs 22 pounds. What is the epinephrine dose the nurse would administer? ______

While conducting an educational class, which risk factors would the nurse include as increasing an infant’s risk of a sudden infant death syndrome incident? (Select all that apply.)

What is the mass of 0.500 mol of chlorofluoromethane, CClF3?