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wgu C955 Applied Probability and Statistics complete questions and answers(latest update )
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WGU C955 APPLIED PROBABILITY AND STATISTICS OA2022/2023
1. What is 3/4 divided by 2/3?
A) 9/8
B) 5/12
C) 5/7
D) 6/7: 9/8
2. 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: 10.02 miles
3. 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: 6.5 tbsp
4. Solve for X:
X - 5/4 = 2/3
A) 3/12
B) 7/12
C) 10/12
D) 23/12: 23/12
5. Solve for X:
X+5/3=2/3
A) -3
B) -1
C) 1
D) 3: -1
6. Given the inequality:
2y + 6 > 20
Which graph is the solution?
A) {{ y < 3 }}
, WGU C955 APPLIED PROBABILITY AND STATISTICS OA
2022/2023
B) {{ y > 6 }}
C) {{ y > 7 }}
D) {{ y < 7 }}: {{ y > 7 }}
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 }}: {{ unfilled circle on 8, arrow pointing
left }}
8. Which graph is the solution for 4y - 6 > 18?
A) {{ y > 4 }}
B) {{ y > 6 }}
C) {{ y < 4 }}
D) {{ y < 6 }}: {{ y > 6 }}
9. 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): (0,5) to (2,11)
10. 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): (0,9) to (4.5,0)
11. 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: 34.0
12. 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?
, WGU C955 - PA
Study online at https://quizlet.com/_8fmr3m
A) 180-220
B) 185-225
C) 190-210
D) 195-235: 190-210
13. In a statistics class, 40 students are asked to write their age on a piece
of paper and place the paper in a box. After rotating and shaking the box, 5
pieces of paper are drawn from the box at random. The data results are as
follows:
36
22
21
20
19
What is the median for this data set?
A) 17
B) 21
C) 24
D) 28: 21
14. A new video gaming site wants to know what the median age is of its
adolescent population so they can focus on activities for these clients. A
data analyst recorded the ages of 12 adolescents who used the site over a
three-month period. The results are given below:
Age ,Frequency
13 ,1
16 ,2
17 ,2
18 ,3
19 ,4
What is the median age of the adolescents?
A) 17.0
B) 17.2
C) 18.0
D) 18.6: 18.0
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