Four Wires Meet at a Junction

question 72

Multiple Choice

Four wires meet at a junction.The first carries 4 A into the junction, the second carries 5 A out of the junction, and the third carries 2 A out of the junction.The fourth carries:

• A)7 A out of the junction
• B)7 A into the junction
• C)3 A out of the junction
• D)3 A into the junction
• E)1 A into the junction

---

Definitions:

Degrees of Freedom

Represents the number of independent values or quantities which can be assigned to a statistical distribution without violating any constraining conditions.

Test Statistic

A standardized value used in statistical hypothesis testing to determine whether to reject the null hypothesis.

Uniformly Distributed

A distribution that has constant probability across the entire range of possible outcomes.

Test Statistic

A value calculated from sample data during a hypothesis test, used to decide whether to reject the null hypothesis.