(Solved): How do you calculate this on Excel? what is the key Formulas ? A tire company makes 5000 tires an ho ...

A tire company makes 5000 tires an hour on average with a known standard deviation of 50 A sample is taken last hour and 5100 tires were made Spell out the null and alternate hypotheses that the mean is different than 5000 Evaluate the hypothesis (Accept or Reject) at the following significance levels: a. \( 0.01 \) b. \( 0.05 \) Samples of a car company's output is taken and 490 cars are made in a day with a known standard deviation of 16 car Spell out the null and alternate hypotheses that the average production of the car company is less than 475 cars