WGU C955 Applied Probability and Statistics Quiz Bank (Latest 2023/ 2024 Update) All Modules Covered| Questions and Verified Answers| 100% Correct| Grade A

WGU C955 Applied Probability and

Statistics Quiz Bank (Latest 2023/ 2024

Update) All Modules Covered| Questions and

Verified Answers| 100% Correct| Grade A

Q: According to the strictest definition, 1/3 is... Choose only one answer below.

a. an integer

b. a rational number c. a real number

d. All of the above

Answer:

a rational number

Correct. The answer is b. According to the strictest definition, 1/3 is a rational number because

it can be represented as a fraction.

Q: -30,000 is...

Choose only one answer below. a. greater than 45,000

b. less than 31,000 c. greater than 0

d. less than 50,00

Answer:

0a. greater than 45,000

Correct. The answer is a. 45,000 lies to the left of 30,000- on the numbers line a therefore is

less than 30,000

Q: Which answer shows the following numbers in order from least to great- est?

a. 1/3, 2/3, 1/3, 5/3 b. 1/3, 1/3, 2/3, 5/3 c. 1/3 1/3, 2/3, 5/3 d. 5/3, 2/3, 1/3, 1

Answer:

/3C

Q: 0, 1, 2 is a set of continuous data. True or False? Choose only one answer below.

a. True

b. False

Answer:

False

Correct. This statement is false. 00, 11, and 22 are distinct consecutive integers. There are

numbers, such as 1.51.5, between them, so they are not continuous.

Q: Temperature is an example of continuous data. True or False? Choose only one answer

below.

a. True

b. False

Answer:

True

Correct. This statement is true. Temperature covers an entire interval of data and can be

"measured" rather than counted, so it is continuous.

Q: Timesheets log the days that a warehouse employees work each week. Does the week's

timesheet give data that is discrete or continuous?

Choose only one answer below. a. Discrete.

b. Continuous

Answer:

Discrete

Correct. The answer is a. The days of the week are discrete and do not allow for values between

them.

Q: A graph shows the profit margin of a particular product at two different price points. Is this

data discrete or continuous?

Choose only one answer below. a. Discrete

b. Continuous

Answer:

Discrete

Correct. The answer is a. The graph shows discrete price points, not all possible prices, between

two numbers.

Q: A traffic monitor analyzes network usage and records upload and down- load speeds. Are

these data discrete or continuous?

Choose only one answer below. a. Discrete

b. Continuous

Answer:

Continuous

Correct. The answer is b. These are all continuous measurements for which it is possible to have

fractional parts.

Q: Which of the following is the correct translation of 3

below.

a. 3 is less than yý which is less than 4

b. 3 is less than or equal to yý which is less than or equal to 4 c. 3 is greater than yý which is

greater than 4

d. 3 is less than yý which is less or than or equal t

Answer:

o 43 is less than yý which is less than 4

Correct. The answer is a. Both of the << symbols>

3 is less than yý which is less than 4.

Q: Which of the following is the correct translation of 10>x>6?

a. 10 is less than xý which is less than 6

b. 10 is less than or equal to xý which is greater than 6 c. 10 is greater than xý which is greater

than 6

d. 10 is less than xý which is greater than

Answer:

610 is greater than xý which is greater than 6

Correct. The answer is c. Both of the >> symbols mean "greater than," so the correct translation

is 10 is greater than xý which is greater than 6.

Q: Which of the following is the correct translation of 8

a. zý is greater than or equal to 8, but less than or equal to 16 b. zý is greater than 8, but less than

16

c. zý is greater than 8, but less than or equal to 16

d. zý is greater than or equal to 8, but less than 1

than or equal to 16

Answer:

c. zý is greater than 8, but less

Correct. The answer is c. The < symbol>

or equal to," so the correct translation is zý is greater than 8, but less than or equal to 16.

Q: How would " w is less than or equal to 9 , but greater than or equal to 5 " be written?

a. 9dwd5 b. 9ewe5 c. 9ew>5

d. 9dw

Answer:

eb5.9ewe5

Correct. The answer is b. Both e symbols mean "greater than or equal to," so 9ewe5 means " w is

less than or equal to 9 , but greater than or equal to 5 ."

Q: How would " x is greater than or equal to 4 , and less than 7 " be written? Choose only one

answer below.

a. 4exe7 b. 4dxd7 c. 4dx<7>

d. 4ex

Answer:

>c7. 4dx<7>

Correct. The answer is c. The signs are read "less than" giving the complete answer

4 is less than or equal to x and x is less than 7.