WGU C955 Pre- Assessment (Latest 2023/ 2024 Update) Applied Probability and Statistics| Questions and Verified Answers| 100% Correct| Grade A
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WGU C955
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WGU C955
WGU C955 Pre- Assessment (Latest 2023/ 2024 Update) Applied Probability and Statistics| Questions and Verified Answers| 100% Correct| Grade A
Q: What is the correct line graph for y = 3x + 5?
A) (0,5) to (2,11)
B) (0,-5) to (2,-11)
C) (0,3) to (2,5)
D) (0,3) to (2,-7)
Answer:
(0,5) to (2...
WGU C955 Pre- Assessment (Latest 2023/ 2024 Update ) Applied Probability and Statistics | Questions and Verified A nswers| 100% Correct| G rade A Q: What is the correct line graph for y = 3x + 5? A) (0,5) to (2,11) B) (0, -5) to (2, -11) C) (0,3) to (2,5) D) (0,3) to (2, -7) Answer: (0,5) to (2,11) Q: 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) Answer: (0,9) to (4.5,0) Q: 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 D) 99.7 Answer: 34.0 Q: A given data set is normally distributed with a mean of 200 and a standard deviation of 5. Which two values does 95% of the data fall between? A) 180 -220 B) 185 -225 C) 190 -210 D) 195 -235 Answer: 190-210 Q: 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) 17 B) 21 C) 24 D) 28 Answer: 21 Q: 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 giv en below: Age ,Frequency 13 ,1 16 ,2 17 ,2 18 ,3 19 ,4 What is the median age of the adolescents? A) 17.0 B) 17.2 C) 18.0 D) 18.6 Answer: 18.0 Q: 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 Answer: 140 Q: The bar chart below summarizes the final grade distribution for a statistics course:
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