Which of the following is a Continuous random variable? a. The number of barangays in the Zamboanga City b. The height of students c. The number of patients in a hospital
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- The random variable x represents the number of cars per household in a town of 1000 households. Find the probability of randomly selecting a household that has between one and three cars, inclusive. Cars Households 135 1 418 242 122 4 83 O 0.782 O 0.218 O 0.418 O 0.135 2. 3.Four coins are tossed. Let y be the random variable that represents5. In a single throw of a pair of dice, how many sample point(s) will have a sum of 12? а. 0 b. 1 с. 2 d. 3 6. Which graph shows the probability distribution of a random variable where the probabilities (y-axis) of the sample points (x-axis) are represents by vertical bars. a. Bar graph b. Frequency polygon c. Probability histogram d. Scatter graph 7. Which function assigns a probability value to a discrete random variable and is defined by a discrete probability distribution? a. Probability mass function b. Density function c. Discrete function d. Function of x and y
- How can I solve this question? I need full answer.Classify if it's a Discrete or Continuous random variable.a. The area of lots in an exclusive subdivision.b. The number of recovered patients of COVID-19 per province.c. Length of electrical wiresd. Number of pencils in a boxe. Amount of sugar used in a cup of coffeef. Voltage of car batteriesWhich of the following is not a discrete random variable? A.The number of heads when we toss two coins. B.The number of accidents per week. C.Amount of cooking oil sold in a departmental store in a day. D.All of the choices.
- • A) Given the data Pulse Rate (beats per minute) Mean St. Dev. Distribution Males 69.6 11.3 Normal Females 74.0 12.5 Normal a. Find the probability that a female has a pulse rate less than 60 beats per minute. b. Find the probability that a male has a pulse rate grater than 80 beats per minute. c. Find the probability that a m ale has a pulse rate between 65 beats per minute and 85 beats per minute. • B) Snow White. Disney World required that women employed as a Snow White character must have a height between 64 in and 67 in o Find the percentage of women meeting the height requirement o If the height requirements are changed to exclude the shortest 40% of women and the tallest 5% of women, what are the new height requirements?Classify the probability distribution of each problem? Then solve. Question 1 The mean number of citizens voting in one of the provinces on the election day is 10 per hour. Find the probability that in the next hour there will be: a) Exactly 12 citizens showed up to vote. b) Between 9 and 12 citizens showed up to vote. c) At least 3 citizens showed up to vote. d) Find the mean and standard deviation of number of citizens voting in one of the provinces on the election day. Question 2 When conducting a research on males, showed that 0.287 have color blindness. A researcher forms random group of five males. The random variable X is the number of males in the group who have a form of color blindness. Find the probability a) 4 males have color blindness. b) More than 3 males have color blindness. c) Less than 3 males have color blindness. d) Find the mean and standard deviation of males have color blindness. Question 3. The Higher Education Research Institute at UCLA collected data from…Three items are drawn in randomly from a population of 7 items. The item drawn may be defective or non-defective. Random variable is the occurrence of non-defective items. Total defective items in the population are two.a. Make a frequency distribution table of the random variable. b. Find the expected value of non-defective items in the random experiment.
- Let the random variable x represent the number of girls in a family of 3 children. Construct a table describing the probability distribution, then find the mean and SD. Is it unusual for a family of 3 children to consist of 3 girls3. Two board members were chosen at random from 12 candidates of which 8 were independent candidates. a. Determine the probability distribution for the number of independent candidates selected. b. Find the mean and the variance of the distribution of the number of independent candidates chosen as board members.A student selects a random sample of 145 students from her large high school. For each student, she records the grade level and their favorite type of pet. She would like to know if there is convincing evidence that grade level is associated with type of pet. Let a = 0.05. The observed and expected counts are displayed in the tables. Observed counts: Pet Dog Cat Bird Other Ninth and Tenth 21 15 8 30 Grades Eleventh and Grade 24 12 11 24 Twelfth Grades Expected counts: Pet Dog Cat Bird Other Ninth and Tenth 23.0 13.8 9.7 27.6 Grades Grade
