Two researchers wish to construct a​ confidence interval for estimating a population mean. Researcher A used a 95% confidence level and Researcher B used a 90% confidence level. Assume both researchers use samples with the same sample standard​ deviation and same sample size.Which statememt corectly compares the widths of the two confidence intervals?

Listen and choose correctly written word by completing the missing part.          14.m4a  보

Listen to the audio and choose the word you have just heard.               4.m4a 

Listen and choose correctly written word by completing the missing part.       13.m4a  하 국

Listen to the audio and choose the word you have just heard.             2.m4a 

In Korean language there are 19 characters which are used as beginning consonants in forming syllables.  Many of these are also used as syllable-ending consonants called ‘받침’.  How many different sounds are there for syllable-ending consonants in Korean language?

In drama, anyone or anything that works against the main character is called the _________________ .

The turning point at which a play switches from rising action to falling action is called the ___________________.

Which foreign country was Scotland fighting against at the beginning of the play Macbeth?

The main idea of a play, which can be either implied or explicit, is called the __________________.