Apolling organization took a random sample of 2,500 single parents to determine how many single parents have two jobs. suppose 38% of all single parents have two jobs. if the total population of single parents is 12 million, is the 10% condition met? justify your answer.

You work for a landscape company that just got a contract to re-mulch a park. the area that needs mulching is 30 feet by 60 feet. they want a 3 inch layer of much on the area. the company has bags of mulch that cover 2 cubic yards that cost $4.00 per bag. how much will it cost the consumer just in materials to re-mulch the area (round to the nearest dollar)?