WGU C955 PROBABILITY AND STATISTICS OBJECTIVE ASSESSMENT COMPREHENSIVE TEST PAPER QUESTIONS AND SOLUTIONS GRADED A+

WGU C955 PROBABILITY AND STATISTICS
OBJECTIVE ASSESSMENT COMPREHENSIVE
TEST PAPER QUESTIONS AND SOLUTIONS
GRADED A+

◉ If there are 2 tablespoons in 1 fluid ounce, how many tablespoons
does the following calculation yield?


4 fl oz - 1.5 tbsp


0.5 tbsp
1 tbsp
2.5 tbsp
6.5 tbsp.
Answer: 6.5 tbsp


◉ Solve for X:
X - 5/4 = 2/3
A) 3/12
B) 7/12
C) 10/12

,D) 23/12.
Answer: 23/12


◉ Solve for X:
X+5/3=2/3
A) -3
B) -1
C) 1
D) 3.
Answer: -1


◉ Given the inequality:
2y + 6 > 20
Which graph is the solution?
A) {{ y < 3 }}
B) {{ y > 6 }}
C) {{ y > 7 }}
D) {{ y < 7 }}.
Answer: {{ y > 7 }}


◉ Which graph is the solution for y < 8?
A) {{ unfilled circle on 8, arrow pointing left }}

,B) {{ filled circle on 8, arrow point left }}
C) {{ unfilled circle on 8, arrow pointing right }}
D) {{ filled circle on 8, arrow point right }}.
Answer: {{ unfilled circle on 8, arrow pointing left }}


◉ Which graph is the solution for 4y - 6 > 18?
A) {{ y > 4 }}
B) {{ y > 6 }}
C) {{ y < 4 }}
D) {{ y < 6 }}.
Answer: {{ y > 6 }}


◉ 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)


◉ 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)


◉ 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


◉ 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