13. p-value = 0.0166, a = 0.01
14. p-value = 0.0197, a = 0.02
15. p-value = 0.0465, a = 0.05
16. p-value = 0.0485, a = 0.02
17. p-value = 0.1190, a = 0.10
18. p-value = 0.0094, α = 0.01
19. Ηο: μ = 409 and H』: μ < 409, α = 0.05, z = -1.87
20. Ηο: μ = 0.65 and Η: μ > 0.65, a = 0.10, z = 1.22
21. Η: μ = 2 and H₁: μ ≠ 2, α = 0.02, z = -2.28
22. Ηο: μ = 3010 and Η: μ ≠ 3010,
α = 0.01,
z = 2.69
23. Ηο: μ = 10.3 and H₁: μ > 10.3;
a = 0.10;
z = 1.97
24. Ηο: μ = 408 and H₁: μ < 408;
α = 0.05; z = -1.76