Answer to Question #82154 in Statistics and Probability for Patty

Question

Samples of a car company's output is taken and 490 cars are made in a day with a known standard deviation of 16 cars. Spell out the null and alternative hypotheses that the average production of the car company is less than 475 cars. Evaluate the hypothesis (Accept or Reject) at the following significance levels: 0.001 and 0.1