Activity 1

\fNUMBER OF DEFECTIVE COVID-19 RTPCR TEST KIT Direction: Suppose three test kit are tested at random. Let D represent the defective test kit and let N represent the non-defective test kit. If we let X be the random variable for the number of defective test kits, construct the probability distribution of the random variable X. RUBRICS Weight 4 3 2 Mathematical Errors 30% 90-100% of the steps and solutions Almost all (85 - 89%) of the Most (75-84%) of the steps and More than 75% of the steps and have no mathematical errors steps and solutions have no solutions have no mathematical errors solutions have mathematical errors mathematical errors Explanation 20% Explanation is detailed and clear Explanation is clear Explanation is a little difficult to under- Explanation is difficult to under- stand, but includes critical compo- stand and is missing several com- nents ponents OR was not included Neatness and 15% The work is presented in a neat, The work is presented in a neat The work is presented in an orga- The work appears sloppy and Organization clear, organized fashion that is and organized fashion that is inized fashion but may be hard to read unorganized. It is hard to know easy to read usually easy to read at times what information goes together. Table and Illustration 15% Table and/or Illustration are clear Table and/or Illustration are |Diagrams and/or sketches are some- Diagrams and/or sketches are and greatly add to the reader's clear and easy to understand what difficult to understand difficult to understand or are not understanding of the procedure (s) used Completion 20% All problems are completed. All but one of the problems are | All but two of the problems are com- Several of the problems are not completed. pleted completed