Heather sampled the ages of 50 randomly selected people that frequented a store and obtained a mean of 24. She constructed a 95 onfidence interval which was (19. 1, 28. 9). What is the margin of error?.

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points