I have my answer as in:

8.C

9.A

10.D

7.B

Could you verify with me?

8. Using the z table, find the critical value (or values) for an O = 0.012 two-tailed test. A) 1.95 B) 2.51 +2.51 D) + 1.95 9. Using the z table, find the critical value (or values) for an O = 0.024 left-tailed test. A) -1.98 B) -2.58 C) -1.12 D) -1.40 10. Using the z table, find the critical value (or values) for an O = 0.10 right-tailed test. A) 0.78 B) 0.85 C) 1.83 D) 1.287. For the conjecture \"The average weight of a cuckoo bird is more than $0.5 pounds", the null and alternative hypotheses are: A) H0 :The average weight of a cuckoo bird is less than $0.5 pounds. H : The average weight of a cuckoo bird is equal to $0.5 pounds. B) H : The average weight of a cuckoo bird is equal to $0.5 pounds. H1 : The average weight of a cuckoo bird is more than $0.5 pounds. C) H0 : The average weight of a cuckoo bird is more than $0.5 pounds. H1 : The average weight of a cuckoo bird is less than $0.5 pounds. D) H0 : The average weight of a cuckoo bird is less than $0.5 pounds. H 1 : The average weight of a cuckoo bird is more than $0.5 pounds