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.

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.

On the day a coffee shop first opened, it had 140 customers. 65% of the customers ordered a large coffee. how many customers ordered a large coffee? enter your answer in the box.