7. x + 4 > 3x + 16 8. 5x + 6 < 2x + 1 9. - 3(x + 2) S 5x + 7 10. -4(x – 5) > 2x + 15 11. -4(3x - 5) > 2(x – 4) 12. 3(x + 7) < 5(2x - 8) In Exercises 13 to 20, solve each compound inequality. Write the solution set using set-builder notation, and graph the solution set. 13. 4x + 1 > -2 and 4x + 1 < 17 14. 2x + 5 > -16 and 2x + 5 < 9 15. 10 2 3x – 1 2 0 16. 0 s 2x + 6< 54 17. x + 2 < -1 or x + 3 > 2 18. x + 1 > 4 or x + 2 < 3 19.-4x + 5 > 9 or 4x + 1 < 5 20 2X-7< 15 or 3x – 155 In Exercises 21 to 32, use interval notation to express the solution set of each inequality. 21. 2x - 1 > 4 22. 2x -9 < 7 23. jx + 3 2 5 24. x - 10 2 2 Vatieti 26. 2x - 5 1 25. 3x -10 < 14 27. 4 5x 24 28. 3 2x S 5

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.