Discrete or Continuous. Write D if the statement below is an example of a discrete variable and C if it is continuous. 1. The efficacy rate of various vaccines against Covid-19 2. The temperature at which the vaccines are stored while being delivered to vaccine centers. 3. The number of people in the priority list for vaccination 4. The number of authorized testing centers in the country 5. The length of time a health care worker is exposed to a suspected individual while performing a swab test. Fact or Bluff. Write Fact if the statement is true and Bluff if false. 6. The z-scores to the left of the mean are negative values. 7. Standard normal table is also known as table of areas under the normal curve or z-table. 8. There are 4 outcomes if you tossed two coins. 9. The probability distribution of a discrete random variable is also called a probability mass function. 10. A percentile is a measure of relative standing I. Multiple Choice. Encircle the letter of the best answer among the choices. If you feel that the answer is not among the choices, write your answer before the number. 11. What is being represented by z in the equation z = O Standard Normal Variable d. Standard Deviation a. Normal Random Variable b. Mean of the scores 12. Vvnat table is used to know the percentage under the curve at any point? a. s-table b. v-table 13. Which best describes the image below? c -table d. z-table The scores are lower than the mean. b) The scores are higher than the mean. The scores could be equal or lower than the mean. a. C. d. The scores could be equal or higher than the mean. 14. If two coins are tossed, which is not a possible value of the random variable for the number of heads? a 0 с 2 d. 3 b. 1 he daily demand for copies of a magazine at a variety store has the probability distribution as follows. Number of Magazines (X) Probability P(X) 0.22 1 0.35 0.15 3. 0.15 4. 0.06 0.07 15. What is the probability that two or more copies will be purchased on a given day? a 0.40 b. 0.43 16. What is the probability that a customer will not buy any magazines on a given day? 00.34 d. 0.28 2.