WGU C955 EXAM | Applied Probability
and Statistics | Correctly Answered and
Graded A+ | Latest 2024/2025
What is a quantitative observation?
An observation you make using numbers and / or measurement, is
numbers-based, countable, or measurable
What is a qualitative observation?
interpretation-based, descriptive, and relating to language, tells us how
many, how much, or how often
A and B are events associated with an experiment with P(A) = .3 and P(B)
= .5. If A and B are independent, then what is the probability
that A or B occurs?
.65
A fast-food company is interested in knowing the probability of whether a
customer viewed an advertisement for their new special on the internet or
on television. They found that 37% of customers saw the advertisement on
the internet, 20% saw it on television, and 12% saw it on both the internet
and on television. What is the probability that a randomly selected
customer saw the advertisement on the internet or on television?
45%
For which type of website data would a histogram be most appropriate?
Length of visit in minutes
, A company has 14 employees. Six employees work day shift, five
employees work swing shift, and three employees work night shift. Which
type of graph should be used to display how many employees work each
shift?
Bar graph
What is a histogram used for?
to summarize discrete or continuous data that are measured on an interval
scale
What is a stem plots used for?
show same data set arranged by separating first digit and second digit,
shows distribution or shape
What is a Bar Graph used for?
to show how something changes over time or to compare items
What is a box plot used for?
show distribution of data set and can be used to compare data sets
would you use a pie chart for categorical or quantitative data?
categorical
would you use a bar chart for categorical or quantitative data?
categorical
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