Answered step by step
Verified Expert Solution
Question
1 Approved Answer
A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 50 milligrams. You want to test this
A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 50 milligrams. You want to test this claim. During your tests, you find that a random sample of thirty 12-ounce bottles of cola has a mean caffeine content of 48.4 milligrams. Assume the population is normally distributed and the population standard deviation is 7.4 milligrams. At a = 0.05, can you reject the company's claim? Complete parts (a) through (e). (a) Identify Ho and He. Choose the correct answer below. O A. Ho: H = 48.4 O B. Ho: H # 50 Ha: p # 48.4 Ha: H = 50 O C. Ho: p # 48.4 O D. Ho: HIS 50 Ha: H = 48.4 Ha: H > 50 OE. Ho: HS 48.4 YF. Ho: H = 50 Ha: H > 48.4 Ha: H # 50 (b) Find the critical value(s). Select the correct choice below and fill in the answer box within your choice. (Round to two decimal places as needed.) O A. The critical value is O B. The critical values are +
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started