Use the Normal Approximation to the Binomial Distribution to Answer

question 154

Multiple Choice

Use the normal approximation to the binomial distribution to answer this question. Fifteen percent of all students at a large university are absent on Mondays. If a random sample of 12 names is called on a Monday, what is the probability that four students are absent?

• A)0.0683
• B)0.0213
• C)0.0021
• D)0.1329

---

Definitions:

Alumni Association

An organization of graduates or former students (alumni) aimed at fostering connections and support between members and their alma mater.

Hypothesis Test

A method of statistical inference used to decide whether there is enough evidence to reject a null hypothesis about a population parameter based on sample data.

P-Value

The probability of observing results at least as extreme as those in the data, assuming the null hypothesis is true, used as a method to test hypotheses.

Large-Sample Z

A statistical test used for hypothesis testing or constructing confidence intervals when the sample size is large, typically using the Z-distribution.