Use the Normal Approximation to Find the Indicated Probability $n = 75 , p = 0.54 : P ( X \leq 34 )$

question 29

Multiple Choice

Use the normal approximation to find the indicated probability. The sample size is n, the population proportion of successes is p, and X is the number of successes in the sample. $n = 75 , p = 0.54 : P ( X \leq 34 )$

• A) 0.0968
• B) 0.9177
• C) 0.0823
• D) 0.0764

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Definitions:

Variance

A measure of variability that describes the spread of a data set by taking the average of the squared differences from the mean.

Degrees of Freedom

The count of distinct values or quantities that can be allocated to a statistical distribution.

Sample Size

The number of observations or data points that constitute a sample from a population.