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WGU C955 Applied Probability and Statistics Competency study guide Exam test questions with approved Answers 2024/2025 $11.49   Add to cart

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WGU C955 Applied Probability and Statistics Competency study guide Exam test questions with approved Answers 2024/2025

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WGU C955 Applied Probability and Statistics Competency study guide Exam test questions with approved Answers 2024/2025 Which of the following best describes the trend? - correct answer as x increases, y decreases The students in Mr. Zou's class are having difficulty selecting the correct distri...

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  • November 8, 2024
  • 36
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • standard deviation
  • WGU C955
  • WGU C955
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KieranKent55
WGU C955 Applied Probability and Statistics
Competency study guide Exam test questions
with approved Answers 2024/2025
Which of the following best describes the trend? - correct
answer as x increases, y decreases


The students in Mr. Zou's class are having difficulty selecting the
correct distribution model for various experiments. Which of the
following is the most likely to help students learn to differentiate
between the models? - correct answer Have students work in
small groups to categorize several experimental descriptions,
then lead a class discussion on the reasons for their
categorizations.


The graph shows the number of students graduating from a local
community college between 1999 and 2003. According to the
graph, how many students graduated before 2001? - correct
answer 320


John's family decided to drive to a beach that was 60 miles from
their house. There was a great amount of traffic and their
average speed was 30 miles per hour. Thirty minutes after they
arrived at the beach, it began pouring rain. They ran back to the
car and headed home. It took half as long to get home as it did to
arrive at the beach. Which graph shows their distance from home
in miles related to the time it took to make the trip? - correct
answer Graph B


Which statement correctly describes information about the
following set of data?

,{8, 10, 12, 14, 14, 26} - correct answer The mean is greater
than the median.


What percent of the total energy from all sources comes from
natural gas? - correct answer 29%


On average, a personal computer is used for 7 years before it is
replaced. Computer replacement can be modeled with an
exponential distribution. What is the probability that a personal
computer will be used for 12 years before it is replaced? -
correct answer 2.6%


Which of the following is true for a small standard deviation? -
correct answer The data are closely grouped around the
mean.


What can be said about the graph of the data below? - correct
answer It is skewed left.


Mrs. Kade gave a math quiz to her students.


Score


Number of Students


60

,3


70


4


80


9


90


8


100


5


The scores are listed in the data table. Which of the following is
closest to the average score? - correct answer 83


What is the mode of the data set?


22

, 23


30


38


45


46


48


55


55


60


61


63


67

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