the answer and solution should be typewritten

A drug for the relief of asthma can be purchased from 5 different manufacturers in liquid, tablet, or capsule form all of which come in regular and extra strength. How many ways can a doctor prescribe the drug for a patient suffering from asthma if there are no restrictions? A. 20 B. 30 C. 6 D. 10 Testing Hypothesis A company that makes cola drinks states that the mean caffeine content per 12- ounce bottle of cola is 40 milligrams.Y0u want to test this claim.During your tests, you nd that a random sample of twenty 12ounce bottles of cola has a mean caffeine content of 39.2 milligrams. Assume the population is normally distributed and the population standard deviation is 7.5 milligrams.At a: = 0.01, what is the decision on its hypothesis? 0 Reject null hypothesis 0 Fail to reject null hypothesis