Suppose that 76% of Americans prefer Coke to Pepsi. A sample of 27 was taken. What is the probability that less than sixty percent of the sample prefers Coke to Pepsi? 0.0256 0.0446 0.0014 0.0228 Can not be determined.
Added by Shawn G.
Close
Step 1
The population proportion \( p = 0.76 \), sample size \( n = 27 \), and we want to find the probability that less than 60% of the sample prefers Coke, i.e., sample proportion \( \hat{p} < 0.60 \). Show more…
Show all steps
Your feedback will help us improve your experience
Rosina Dapaah and 83 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Suppose 60 percent of all people prefer Coke to Pepsi. We select 18 people for further study. a. How many would you expect to prefer Coke? b. What is the probability 10 of those surveyed will prefer Coke? c. What is the probability 15 prefer Coke?
Suppose that 52% of all people prefer Coke to Pepsi. We randomly choose 500 people and ask them if they prefer Coke to Pepsi. What is the probability that our survey will (erroneously) indicate that Pepsi is preferred by more people than Coke? Round your answer to three decimal places, if necessary
Supreeta N.
According to the National Health Survey, the heights of adult males in the United States are normally distributed with mean 69.0 inches and standard deviation 2.8 inches. (a) What is the probability that an adult male chosen at random is between 65 inches and 73 inches tall? (b) What percentage of the adult male population is more than 6 feet tall?
Further Applications of Integration
Probability
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD