What should be the size of the sample if a simple random sample from a population of 5000 items is to be drawn to estimate the per cent defective within 2 per cent of the true value with 95 per cent...

What should be the size of the sample if a simple random sample from a population of 5000 items is to be drawn to estimate the per cent defective within 2 per cent of the true value with 95 per cent probability? What would be the size of the sample if the population is assumed to be infinite in the given case?(Normal Curve table value for 95 % is 1.96)