Question: In a one-tail test, 95% confidence level, the hypothesis is that a product will not contain more than 1.6 ounces of moisture in a 16-ounce container of the product.

a. Write the hypothesis:

b. Write the null:

c. Your research study examples 30 randomly selected containers of the product. What is the t-statistic is the critical value?___________________

d. When you calculate the test statistic, you find that the test statistic is -2.1643. Do you accept the null or reject the null?

e. Why?

f. Would you make the same decision at the 99% confidence level?

g. Why?