Preliminary sample of 100 labourers was selected from a population of 5000 labourers by simple random sampling. it was found that 40 of the selected labourers opt for a new incentive scheme. how large a sample must be selected to have a precision of ± 5% with 95% confidence ?

() at a farm, animals are fed bales of hay and buckets of gain. each bale of hay is in the shape of a rectangular prism. the base side lengths 2 feet and 3 feet, and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know

Which of the following scenarios demonstrates an exponential decay

Find the dimensions of the circle. area = 64π in.² r= in.