WGU C955 - C955 PROBABILITY AND STATISTICS

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WGU C955 - C955 PROBABILITY AND STATISTICS

OBJECTIVE ASSESSMENT (PRE-ASSESSMENT) ACTUAL

EXAM A, B & C QUESTIONS AND CORRECT ANSWERS

JUST RELEASED 2024-2025 UPDATE

WGU C955 PROBABILITY AND STATISTICS PRE-ASSESSMENT OBJECTIVE ASSESSMENT EXAM A

What is 3/4 divided by 2/3?

A) 9/8

B) 5/12

C) 5/7

D) 6/7

9/8 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?

• 9.02 miles
• 10.02 miles
• 10.12 miles
• 11.2 miles

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

• fl. oz. - 1.5 tbsp.
• 0.5 tbsp. 1 / 4

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• 1 tbsp.
• 2.5 tbsp.
• 6.5 tbsp.

6.5 tbsp

Solve for X:

X - 5/4 = 2/3

A) 3/12

B) 7/12

C) 10/12

D) 23/12

23/12 Solve for x.x + 5/3 = 2/3

• -3
• -1
• 1
• 3

-1

Given the inequality:

2y + 6 > 20

• y < 3
• y > 6
• y > 7
• y < 7

y > 7 (open circle with arrow to the right) 2 / 4

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3 Which graph is the solution for y < 8?

• y < 8
• y <_ 8
• y > 8
• y >_ 8

y < 8 ( open circle and arrow to the left) Which graph is the solution for 4y - 6 > 18?

• y > 4
• y > 6
• y < 4
• y < 6

y > 6 What is the correct line graph for y = 3x + 5?

y-intercept: 5

m: 3

rise: 3

run: 1

a What is the correct line graph for y = -2x + 9?a 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?

• 34.0 3 / 4

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• 68.0
• 95.0
• 99.7

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?

• 180 - 220
• 185 - 225
• 190 - 210
• 195 - 235

190 - 210

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:

19 20 21 22 36

What is the median for this data set?

• 17
• 21
• 24
• 28

21 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 sit over a three-month period. The results are given below:

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