GSK Pharmaceuticals wish to ensure that their Paracetamol tablets contain, on average, the amount quoted on the packet of their product - namely 500 mg. Clinical tests on a random sample of68 tablets yielded an average of500.40 mg of Paracetamol per tablet. It can be assumed, on the basis of previous trials, that the standard deviation of Paracetamol in each tablet is6.7 mg. Construct a 97% confidence interval for the average amount of Paracetamol. Report only the upper limit (in mg) correct to two decimal places.