solve please

salvation # 1 Give the mean and the standard devlatlon of the distribution of means for: Question (:1): Mean = 50; Variance = 25; Sample Size = 10. -Quesiian (b).- Mean = 200; Variance = 40; Sample Size = 10. -Queson (0): Mean = 20-0; Variance = 10; Sample Size = 15. Compute the 95% condence intervals for: Question (a): Mean 2 100; Variance : 40; Sample Size = 10. -Queslian (b).- Mean = 100; Variance = 100; Sample Size = 10. -Question (c): Mean = 50; Variance = 10; Sample Size = 10