ONLY DO QUESTION 3 please make it clear and explain thanks

ONLY DO QUESTION 3 Please follow the four steps of hypothesis testing to show your process of decision. Researchers believe that childhood participation in sports and cultural groups appears to influence children's self-esteem. For the general population of adolescents, scores form normal distribution with # =40 0 = 12. 1. In a study, a sample of n=100 adolescents with history of group participation has self- esteem M=42.76. Conduct two tailed test with a =.05 2. Compute the Cohen's d to estimate the size effect. 3. If the researcher believes participating in sports and cultural group would increase children's self-esteem. Conduct one tailed test with @ = .01