WGU C955 APPLIED PROBABILITY STATISTICS
|ACTUAL QUESTIONS AND VERIFIED ANSWERS
|BRAND NEW 2026-2027 UPDATE|GRADED A+
Question 1
The mean weight of a dog is 52 lbs with a standard deviation of 2 lbs.
Which percentage of the dog's weight will fall within 4 lbs of the mean, assuming a normal
distribution?
-34%
-68%
-95%
-99.7%
CORRECT ANSWER
-95%
Question 2
Given a normal distribution with a mean of 120 and a standard deviation of 10, what is the
range that contains approximately 99.7% of the data?
-The range is from 90 to 150.
-The range is from 110 to 130.
1
, -The range is from 100 to 140.
-The range is from 105 to 135.
CORRECT ANSWER
-The range is from 90 to 150.
Question 3
The average slice of bread has 75 calories, with a standard deviation of 5 calories.
What are the two values between which 95% of the data falls for the average calories in a
slice of bread, assuming a normal distribution?
-65 calories and 85 calories
-68 calories and 82 calories
-70 calories and 80 calories
-72 calories and 78 calories
CORRECT ANSWER
-65 calories and 85 calories
Question 4
What is the mode of the students' favorite fruits, given the following pie chart?
2
|ACTUAL QUESTIONS AND VERIFIED ANSWERS
|BRAND NEW 2026-2027 UPDATE|GRADED A+
Question 1
The mean weight of a dog is 52 lbs with a standard deviation of 2 lbs.
Which percentage of the dog's weight will fall within 4 lbs of the mean, assuming a normal
distribution?
-34%
-68%
-95%
-99.7%
CORRECT ANSWER
-95%
Question 2
Given a normal distribution with a mean of 120 and a standard deviation of 10, what is the
range that contains approximately 99.7% of the data?
-The range is from 90 to 150.
-The range is from 110 to 130.
1
, -The range is from 100 to 140.
-The range is from 105 to 135.
CORRECT ANSWER
-The range is from 90 to 150.
Question 3
The average slice of bread has 75 calories, with a standard deviation of 5 calories.
What are the two values between which 95% of the data falls for the average calories in a
slice of bread, assuming a normal distribution?
-65 calories and 85 calories
-68 calories and 82 calories
-70 calories and 80 calories
-72 calories and 78 calories
CORRECT ANSWER
-65 calories and 85 calories
Question 4
What is the mode of the students' favorite fruits, given the following pie chart?
2