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Activity 1. PPE Items The probabilities that the Philippines will purchase 1, 2, 3, 4, or 5 PPE items in Soriano's Medical Supply Company are . 2 10' 10' 10' and - respectively. What is the average number of PPE items that the Philippines will purchase ? Activity 2. Covid Patients The probabilities that Salgie P. Seral Medical Center admits on 3, 4, 5, 6, or 7 Covid patients in any day are 0.15, 0.10, 0.20, 0.25, and 0.30, respectively. Find the average number of Covid patients that Salgie P. Sernal Medical Center admits in a day? Activity 3. Number of CoVac The number of patients vaccinated per day at St. John Karl A. Monedero Hospita with its corresponding probabilities, is shown in the table. Find the variance and standard deviation of the probability distribution. Number of CoVac Vaccinated X Probability P(X) 19 0.20 20 0.20 21 0.30 22 0.20 23 0.10