Statistic A dairy refuses to accept raw milk having more than 5000 bacteria per milliliter (ml).
The bacteria count varies from shipment to shipment. Assume that the count of bacteria
per milliliter is normally distributed with a population standard deviation of 14. The dairy wants to test that the mean bacteria count is less than 5000 per mL for the next shipment using a 5% significance level. A simple random sample of 62 one-ml samples from the next shipment resulted in a mean bacteria count of 4850. Use the information to perform
a hypothesis test with a 0.05 significance level.