A disc is thrown into the air with an upward velocity of 20 ft/s. Its height h in feet after t seconds is given by the function h=-16t2 + 20t + 6. What is the
maximum height the disc reaches? How long does it take for the disc to reach
the maximum height? How long does it take for the disc to descend to 3 feet
above the ground?

Amanufacturing firm has been averaging 16.8 orders per week for several years. however, during a recession, orders appeared to slow. suppose the firm’s production manager randomly samples 31 weeks and finds an average of 15.6 orders with a standard deviation of 2.3 orders. using a 0.025 significance level, test whether the mean number of orders has decreased. type the full 5 step procedure into the answer box, then for multiple choice practice, answer the following: 1. what is the name and symbol of the parameter that you are testing? 2. what is the symbol and value of the point estimate of that parameter? 3. what distribution are you using to test this parameter? 4. what is the critical value? 5. what is the test statistic value? 6. what is the p-value?