In Exercises 47–50, find the critical value(s) and rejection region(s) for the type of chi-square test with sample size n and level of significance a. 47. Right-tailed test, n = 20, a = 0.05 48....

In Exercises 47–50, find the critical value(s) and rejection region(s) for the type of chi-square test with sample size n and level of significance a.

47. Right-tailed test, n = 20, a = 0.05

48. Two-tailed test, n = 14, a = 0.01

49. Right-tailed test, n = 51, a = 0.10

50. Left-tailed test, n = 6, a = 0.05