Use the following information to answer the question. In a recent poll of 1100 randomly selected home delivery truck drivers, 26% said they had encountered an aggressive dog on the job at least once.
-What is the standard error for the estimate of the proportion of all home delivery truck drivers who have encountered an aggressive dog on the job at least once? Round to the nearest ten- thousandth.
A)0.1322
B)0.0002
C)0.0132
D)0.0141

Question

Quizplus · Accepted Answer

The standard error (SE) for a proportion is calculated using the formula SE = sqrt[(p(1-p))/n], where p is the sample proportion and n is the sample size. Here, p = 0.26 and n = 1100. SE = sqrt[(0.26 * 0.74) / 1100] = 0.0132.

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