Three Resistors Are Connected in Series Across a 60 V

question 4

Multiple Choice

Three resistors are connected in series across a 60 V source. If VR1 = 19 V and VR2 = 14.3 V, then what is the voltage drop across R3?

• A)45.7 V
• B)19 V
• C)14.3 V
• D)26.7 V

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Definitions:

Z-test

A Z-test is a statistical test used to determine whether two population means are different when the variances are known and the sample size is large.

Population Means

The average of a set of measurements, scores, or values for the entire population.

Pooled Variance

An estimate of the common variance of two or more groups that is weighted by the degrees of freedom of each group.

Standard Error

The standard deviation of the sampling distribution of a statistic, often used to quantify the accuracy of a sample mean.