DIRECTION: Write your answer on a separate sheet of paper. A. Multiple Choice. Choose the letter oI he best answet.

1. If three coins are tossed, which is NOT a possible value of the random variable for the number of tails?

A.l

B 2

C. 3

D, 4

2. Which of the following is a discrete random variable?

A. Length of electrical wires B. Number of pencils in a box

C. Amount of sugar used in a cup of coffee D. Voltage of car batteries

3. Which fomula gives the probubility distribution shown by the x|3|4|5 p(x)|||1/5 table?

A. P(X)=X B. P(X)=1/X

C. P(X) =X/3 D. PX)= X/5

4. How many ways can a "double" come out when you roll two dice? A.2

B. 4

C.6

D. 8

5. It is a numerical quantity that s assigned to the outcome ot an experiment.

A. random vanable B. variable

C.probabilty D. probability distribution

B. Classify the following random variables as discrete or continuous. 1.the weight of the professional boxers 2. The number of defective COVID- 19 Rapid Antibody Test Kit 3. The area ot lots in an exclustve subdivision 4. The number of recovered patients of COVID-19 per province 5. The nunber of students with Academic Excellence in a school per district

C Detemine the values of the random variables in each of the following distributions. 1. Two coins are tossed. Let H be the number of tails that occur. Determine the values of the random variables H

2. A meeting of envoys was attended by 4 Koreans and 2 Filipinos. If three envoys were selected at random one after the other, determine the values of the random variable K representing the number of Koreans.