Module 16 – Introduction to Confidence Intervals (6 of 8 discussion 2)

I need an explanation for this Statistics question to help me study.

Prompt

Use the applet to select 20 different random samples of 100 part-time college students. For each sample the applet calculates the 95% confidence interval. How many of the 20 random samples do not contain the population proportion? Is this what you expected? Explain.