Ⅰ.
Number of cases
01.
Permutations and combinations
02.
binomial theorem

Ⅱ.
probability
01.
The meaning and use of probability
02.
Conditional probability

Ⅲ.
statistics
01.
probability distribution
02.
statistical estimation

▶ This training book for internal exams, complete with actual past exam questions! This mid- to high-level textbook, in the form of a structured textbook and in-depth study guide, analyzes over 1,000 actual high school midterm and final exam papers from the past five years. It covers not only frequently appearing questions on internal exams but also carefully selected questions optimized for the latest internal exam trends, such as the increasing proportion of CSAT-style questions.

1.
Step-by-step learning is possible, from textbook-level basic questions to various types of difficult questions.
2.
Provides 'concept summary' that shows the flow of concepts through connection with pre-learning, and 'type solving tips' that provide problem-solving methods for each type.
3.
Thorough analysis of past school exam questions, including those from the Office of Education/Evaluation and Evaluation Institute, and reflection in accordance with the revised curriculum.

▶Concept Summary
_Summary of pre-learning content linked to newly learned content
▶STEP 1_Key Types for Conquering Textbooks
_Intermediate difficulty questions are provided, categorized by core type for each unit, to enable basic training in applying concepts.
_Provides 'Type-Solving Tips' that provide problem-solving methods for each type.
▶STEP 2_Intensive type for internalizing actual exam questions
_Intermediate to high difficulty questions frequently appearing in internal exams, college entrance exams/mock exams, and academic evaluations are provided, categorized by type.
_To prepare for short answer and descriptive questions with high score distribution.

_Includes a 'representative question schema' that diagrams the flow of solutions to help connect the conditions of the problem with the answer.
▶STEP 3_High-difficulty type to solidify your top grades
_Provides high-difficulty questions that require comprehensive thinking skills
_To prepare for short answer and descriptive questions with high score distribution.