WGU C955 OBJECTIVE ASSESSMENT
APPLIED PROBABILITY AND
STATISTICS OA EXAM LATEST 2024-
2025 ACTUAL EXAM TEST BANK
MODULE 1-MODULE 7
Discrete data - (ANSWER)Has distinct values, can be counted, had unconnected
points (think dots)
Continuous data - (ANSWER)Has values within a range, measured not counted,
does not have gaps between data points (data is connected lines or curves).
Example of discrete data - (ANSWER)Days of the week
Expressions - (ANSWER)A group of symbols such as numbers and operators that
has mathematical validity
Commutative - (ANSWER)The order in which the numbers appear in the sum can
be reversed
Identity property - (ANSWER)Adding 0 to any number does not change the
original number
Additive inverse - (ANSWER)Values that are equally far from 0 on the number
line.
,2
Negative - (ANSWER)When multiplying a positive number by a negative number
the result is always
Positive - (ANSWER)Multiplying a negative number by a negative number results
in a positive
Factors - (ANSWER)Integers that evenly divide the initial integer
Prime number - (ANSWER)Positive integer with exactly two positive factors
consisting of 1 and itself
Composite number - (ANSWER)Has at least one positive factor other than one
and itself
Factorization - (ANSWER)Process of breaking up a composite number into its
prime factors
fundamental theorem of arithmetic - (ANSWER)Any integer greater than one is
either Prime or the product of Prime numbers
Principal square root - (ANSWER)Positive square root of a number
Radican - (ANSWER)Number under radical sign √16=4
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Open Circle - (ANSWER)Represents less than or greatest than on the number line
Perfect square - (ANSWER)Product of any integer with itself yields a perfect
square.
Whole numbers - (ANSWER)positive numbers with a whole value
Integers - (ANSWER)Numbers with no fractions or decimal value but can be
positive or negative
Rational numbers - (ANSWER)Numbers that can be expressed as a fraction or
decimal values that have that end or repeat forever. Includes all integers since all
integers can be expressed as fractions.
Real numbers - (ANSWER)Everything that can be included in a number line
including pi.
Fractions - (ANSWER)Express numbers which are part of a whole
Numerator - (ANSWER)Number written before the slash or above the fraction bar
Proper fraction - (ANSWER)Numerator is less than denominator and the value of
the fraction is less than one