Not only are giraffes tall, the giraffe is one of the worldâs heaviest animal. A wildlife biologist believes that, on average, giraffes in Kenya weigh more than 2000 pounds. Twenty giraffes in Kenya were weighted and their average weight was 2075 pounds. Assume this data is normally distributed, the sample is random, and a population standard deviation of 174 pounds.

Go through the six steps of hypothesis testing to see if there is evidence to support the biologist's claim at a=0.04.