# Introduction to Percentiles

This video defines and provides example of percentiles. The lesson relates quartiles to percentiles

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# Conditional Probability Using a Table: Pregnancy Test

This video explains how to determine conditional probability using a table, not a formula.

# Select The System of Inequalities from the Graph of the Solution

This video explains how to select the inequalities that form a system of inequalities given the graph of the solution.

# Solve a Quadratic Inequality: Factorable (Less than Zero)

This video explains how to solve a quadratic inequality. The solution is checked graphically.

# Solve a Quadratic Inequality: Factorable (Greater Than or Equal to Zero)

This video explains how to solve a quadratic inequality. The solution is checked graphically.

# Solve a Quadratic Inequality – No Solution

This video explains how to solve a quadratic inequality. There is no solution to the inequality.

# Solve a Quadratic Inequality – All Real Numbers

This video explains how to solve a quadratic inequality. The solution is all real numbers.