WGU C955 APPLIED PROBABILITY AND STATISTICS OA | Objective Assessment Exam Questions and Answers | Newest Update 2026/2027 | 100% Assured Pass.

WGU C955 APPLIED PROBABILITY AND STATISTICS OA | Objective Assessment Exam Questions and Answers | Newest Update 2026/2027 | 100% Assured Pass. 12. A given data set is normally distributed with a mean of 200 and a standard deviation of 5. 3 / 26 Which two values does 95% of the data fall between? A) 180-220 B) 185-225 C) 190-210 D) 195-235: 190-210 13. In a statistics class, 40 students are asked to write their age on a piece of paper and place the paper in a box. After rotating and shaking the box, 5 pieces of paper are drawn from the box at random. The data results are as follows: 36 22 21 20 19 What is the median for this data set? A) 1 B) 1 C) 24 1 D) 28:14. A new video gaming site wants to know what the median age is of its adolescent population so they can focus on activities for these clients. A data analyst recorded the ages of 12 adolescents who used the site over a three-month period. The results are given below: Error! Bookmark not defined. Age ,Frequency 13 ,1 16 ,2 17 ,2 18 ,3 19 ,4 4 / 26 What is the median age of the adolescents? A) 17.0 B) 17.2 C) 18.0 D) 18.6: 18.0 10. What is the correct line graph for y = -2x + 9? A) (0,9) to (4.5,0) B) (0,9) to (3,0) C) (0,-9) to (5,-19) D) (0,-9) to (5,-24): (0,9) to (4.5,0) 11. A normally distributed data set has a mean of 25 and a standard deviation of 2. Which percentage of the data falls between 23 and 25? A) 34.0 B) 68.0 C) 95.0 99.7: 34.0 5 / 26 15. The graph shows a company's profits, in thousands of dollars, for five different regions: {{ Y = Profits in Thousands of Dollars X = A B C D E A = 29 B = 34 C = 15 D = 40 E = 22 }} Based on this graph, what is the closest approximate total profit (in thousands) for all five regions? 100 140 170 200: 140 17. Which statement is true regarding the distribution of the histogram below? {{ Positively skewed histogram }} A) The mean of the distribution is greater than its median. B) The median of the distribution is greater than its mean. C) The mean and the median of the distribution are equal. D) The relationship between the mean and the median cannot be determined from the histogram.: The mean of the distribution is greater than its median. 18. In one 12-hour shift, a nurse spends four hours at patient bedsides, two hours pulling medications, one hour on breaks, two hours documenting, and three hours doing other activities. An analyst would like to display the data by representing the 12-hour shift as one whole. 6 / 26 Which display method should the analyst use to meet this goal? A) Box plot B) Stem plot C) Histogram D) Pie chart: Pie chart 19. For which type of website data would a histogram be most appropriate? A) Length of visit in minutes B) Location of visitor by country C) Frequently viewed pages D) Most popular method of arrival: Length of visit in minutes 20. A company has 14 employees. Six employees work day shift, five employ- ees work swing shift, and three employees work night shift. Which type of graph should be used to display how many employees work each shift?