If n=230 and ˆ p (p-hat) =0.15, find the margin of error at a 90% confidence level Give your answer to three decimals
Added by Gabriella H.
Step 1
The formula for the standard deviation of a proportion is sqrt[(p-hat * (1 - p-hat)) / n]. Plugging in the given values, we get sqrt[(0.15 * (1 - 0.15)) / 230] = 0.021. Show more…
Show all steps
Close
Your feedback will help us improve your experience
Qudsiya Anis and 82 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
If n=430 and p̂(p-hat) =0.34, find the margin of error at a 90% confidence level Give your answer to three decimals
T. L.
If n=520 and ˆ p (p-hat) =0.83, find the margin of error at a 90% confidence level Give your answer to three decimals
Hoan N.
If n = 350 and ˆp (p-hat) = 0.64, find the margin of error at a 90% confidence level. Give your answer to three decimals.
Robin C.
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