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WGU C955 – PA Final Exam (Latest Update) Questions & 100% Verified Correct Answers Grade A+
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WGU C955 – PA Final Exam (Latest Update) Questions & 100% Verified Correct Answers Grade A+
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WGU C955 – PA Final Exam (Latest 2024/ 2025 Update)Questions & 100% Verified Correct Answers| Grade A+
{{ Scatterplot starting from point (0.2,3.58) to (1.5,3.43) where all follow a close path
down and to the left }}
Which type of correlation is shown in the scatterplot above?
A) Strong negative linear correlation
B) Strong positive linear correlation
C) Weak positive linear correlation
D) Weak negative linear correlation - ANSStrong negative linear correlation
{{ Scatterplot with no discernable pattern }}
What is the correlation coefficient of the variables x and y shown in the given scatterplot
likely to be close to?
A) −10
B) −1
C) 0
D) 1 - ANS0
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?
A) .15
B) .5
C) .65
D) .8 - ANS.65
A bag contains 8 red, 4 green, and 9 blue marbles. One marble is drawn from the bag,
not replaced, and then a second marble is drawn.
Which statement is always correct?
A) If the first marble drawn is red, then the probability that the second marble drawn is
also red is 7/21=1/3 .
B) The probability that the second marble drawn is red is 7/21=1/3 .
C) The probability that the second marble drawn is red is 7/20 .
D) If the first marble drawn is red, then the probability that the second marble drawn is
also red is 7/20 . - ANSIf the first marble drawn is red, then the probability that the
second marble drawn is also red is 7/20 .
,A box contains one red ball, one purple ball, and one blue ball. Two balls are drawn
from the box one after the other without replacing the first ball.
How many outcomes are possible for this experiment?
A) 3
B) 6
C) 9
D) 10 - ANS6
A car lot has 10 blue, 20 black, 18 white, and 12 red cars. The keys are all in a box in
the sales office.
If a car is selected by taking a key at random, what is the probability that the selected
car is not blue?
A) 1/6
B) 5/6
C) 1/3
D) 2/3 - ANS5/6
A coin has two sides: heads and tails.
If three coins are tossed, what is the probability of getting an odd number of heads?
A) 3/8
B) 5/8
C) 1/2
D) 1/4 - ANS1/2
A coin has two sides: heads and tails. The coin is flipped three times.
Using H for heads and T for tails, what is the sample space for the given experiment?
A) HHH, HHT, HTH, THH, HTT, THT, TTH, TTT
B) HHH, HHT, TTH, TTT
C) HTH, THT, HTT, TTH, TTT, HHH
D) HHH, HHT, HTH, THH, TTT - ANSHHH, HHT, HTH, THH, HTT, THT, TTH, TTT
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?
A) Stem plot
B) Bar graph
C) Box plot
D) Histogram - ANSBar graph
, A company has 7 employees: 5 have an MBA degree, and 2 do not.
If an employee is chosen at random, what is the probability that the employee has an
MBA?
A) 2/5
B) 7/5
C) 2/7
D) 5/7 - ANS5/7
A company receives equipment from two factories: 38% from factory A, and all other
equipment from factory B. Each factory has a percentage of equipment that is defective:
1% of factory A's equipment is defective, while 4% of factory B's equipment is defective.
If a piece of the company's equipment is selected at random, what is the probability that
it is defective and from factory B?
A) 0.0248
B) 0.0038
C) 0.6012
D) 0.6600 - ANS0.0248
A county park has hiking paths with lengths of 1.05, 3.6, 3.17, and 2.2 miles.
What is the total length, in miles, of hiking paths in the park?
A) 9.02 miles
B) 10.02 miles
C) 10.12 miles
D) 11.2 miles - ANS10.02 miles
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?
A) 29%
B) 45%
C) 57%
D) 69% - ANS45%
A given data set is normally distributed with a mean of 200 and a standard deviation of
5.
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