A random sample of 50 BCTC students is asked, "Would you rather speak all languages or speak to animals?" After pondering the question carefully, 30 of the students say they would rather speak to animals.

What is the low end of a 95% confidence interval for the proportion of all BCTC students who say they would rather speak to animals? Enter your answer as a decimal rounded to 4 decimal places.

2- According to the company that makes Skittles candy, 21% of all Skittles are yellow. However, Damion opens a pack of Skittles and calculates that 29% of his pack are yellow, while Kalynn has 18% yellow Skittles in her pack. Why do the packs of Skittles have different percentages of yellow Skittles?

Population parameter

Margin of error

Standard deviation

Sampling variability