A sample of 16 people was conducted to see how many cups of coffee (per day) people buy at star-bucks. The sample had a mean of [b] cups and a standard deviation of [c] cups. What is the margin of error (step 2) for a  95 percent confidence interval?     Note: Round your answer to two decimal places.

How large of sample is needed in order to have a margin of error of [a] % when n = [b], x = [c], and  

Nacho wants to approximate the proportion of Angelinos that like tacos. He surveys [n] people, of which [x] liked tacos. What is the margin of error (step 2) for a  99 percent confidence interval?     Note: Round your answer to three decimal places.

Vocabulary quizzes will be conducted in person during the class.

이게 뭐예요? toes.jpg

Using the given statement, write an appropriate expression asking for a favor using ~어/아 주다. 우리 교실이 너무 작아요.  교실을 ________________ (바꾸다).

그림을 보고 질문에 답하세요.  Answer the question using the given picture.  Use 때문에 in the answer. 왜 파티에 안 왔어요?                       sick.jpg

Select all possible ways to attend the class.

Using the given situation, form an expression of an offer or intention using ~(으)ㄹ게요. 다음 학기에 저는 한국어 202 수업을 듣고 싶어요. 그래요?  저도 한국어 202 수업을 ____________________________ (듣다)

이게 뭐예요? chest.jpg