Answer pls Discrete or Continuous. Write D if the statement below is an example of a discrete variable and C if it iscontinuous.1. The efficacy rate of various vaccines against Covid-192. The temperature at which the vaccines are stored while being delivered to vaccine centers,3. The number of people in the priority list for vaccination4. The number of authorized testing centers in the country5. The length of time a health care worker is exposed to a suspected individual while performing a swab testFact 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.Multiple Choice. Encircle the letter of the best answer among the choices. If you feel that the answer isnot among the choices, write your answer before the number.II.11. What is being represented by z in the equation z =Normal Random Variableb. Mean of the scores12. Vvnat table is used to know the percentage under the curve at any point?O Standard Normal Variabled. Standard Deviationa.c. t-tabled. z-tablea.s-tableb. v-table13. Which best describes the image below?The scores are lower than the mean.6 The scores are higher than the mean.The scores could be equal or lower than the mean.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.c.2d. 3he daily demand for copies of a magazine at a variety store has the probability distribution as follows.Number of Magazines (X)Probability P(X)0.220.350.1530.154.0.060.0715. What is the probability that two or more copies will be purchased on a given day?a. 0.40b. 0.4316. What is the probability that a customer will not buy any magazines on a given day?00.34d. 0.28 ©0.22d. 0.25а. 0b. 117. Which tells us how much we can expect results to deviate from expected value?Variance of discrete random variableb. Mean of discrete random variable18. What must be the sum of the probabilities P(X) of all the values in the discrete random variable?c. Mediand. Arithmetic Meana.b. 10%C. 100%d. 1 000%a. 1%19. Which of the following is the formula used for computing the variance of discrete variable?a. a? = E(x - H)? - P(X)c. o? = E(x - u). P(X)d. a? = E(x +H)² P(X)%3DE(x - 4)2 . P(X)%3Db.20. The formula for computing the mean of a discrete random variable is u = EX P(X), using the table fornumber 10, what is the average number of magazines sold on a given day?a. 1.79b. 1.6921. What is the statement that best interpret the computed mean?The variety store sells less than 2 magazines on a given day.b.c. 1.5d. 1a.The variety store sells more or less 2 magazines on a given day.The variety store sells exactly 2 magazines each day.d. The variety store sells exactly 1 magazine each day.C.22. The normal distribution is also known asc. Grant Distributiond. Gaussian Distribution23. Which of the following is not one of the properties of a normal distribution?a. Mass DistributionMean Distributionb.The normal distribution is bell-shaped.b. The distribution is asymptotic to the y-axis.C. The mean, median, and mode are equal and are located at the center of the distribution.d. The curve is symmetrical about the mean.24. Arrange the steps below in finding the area under the curve given the z-value in their proper order.1.a.Match the third digit with the appropriate column on the right.Express the given z-value into a three-digit form.II.Using the z-Table, find the first two digits on the left column.Read the area (or probability) at the intersection of the row and the column. This is the required area.IV.a. IV, I, II, IIb. 1, II, IV, IIc. IV, III, I, Id. II, III, I, IV25. What is the area that corresponds to z-value, z= 1.32?c. 0.4049d. 0.4222a.0.4066b. 0.388826. What is the area that corresponds to z-value, z= 3.15?c. 0.4999d. 0.4989a.0.4990b.27. The results of the National Achievement Test in Mathematics are normally distributed with u = 70 and o= 12.0.5000What is the percentile rank of the score 90?90.25 %b. 95.25 %28. What is x when z = 1.25, p = 210, and o = 120?a. 31829. What is z when x = 100, u = 112, and o = 8?c. 95.15 %d. 95.50 %a.b. 360с. 338d. 354-1.5b. -1.2с. 1.2d. 1.5a.30. Find the area to the right of z= -1.c. 0.1587d. 0.1857a.0.8413b. 0.8431END

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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.