Solve the Problem. -List All the Combinations of 4 Objects 1, 2, 3

question 28

Multiple Choice

Solve the problem.
-List all the combinations of 4 objects 1, 2, 3, and 4 taken 3 at a time. What is C(4, 3) ?

• A) 123, 124, 134, 234, 321, 432 C(4, 3) = 6
• B) 111, 112, 113, 114, 121, 122, 123, 124, 131, 132, 133, 134, 141, 142, 143, 144, 211, 212, 213, 214, 221, 222, 223, 224, 231, 232, 233, 234, 241, 242, 243, 244, 311, 312, 313, 314, 321, 322, 323, 324, 331, 332, 333, 334, 341, 342, 343, 344, 411, 412,
• 413, 414, 421, 422, 423, 424, 431, 432, 433, 434, 441, 442, 443, 444
• C(4, 3) = 64
• C) 123, 124, 134, 234 C(4, 3) = 4
• D) 123, 124, 132, 134, 142, 143, 213, 214, 231, 234, 241, 243, 312, 314, 321, 324, 341, 342, 412, 413, 421, 423, 431, 432 C(4, 3) = 24

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Definitions:

Type II Error

The error that occurs when a false null hypothesis is not rejected, indicating a missed detection of an effect.

Commuted

Traveling regularly over a long distance between one's home and place of work or study.

Survey

a method of gathering information by asking a series of questions to a group of people.

Type I Error

The mistaken dismissal of a correct null hypothesis, often referred to as a "false positive."