Can you please solve this for me with explanation and steps I tried to do it myself but I just dont understand
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If n=20, ¯ x (x-bar)=48, and s=7, find the margin of error at a 99% confidence level
If n=18, T(x-bar)-48, and s=4, find the margin of error at a 99% confidence level Give your answer to two decimal places.
If n=30, ¯ x x¯ (x-bar)=47, and s=4, find the margin of error at a 99% confidence level
If n=26, ¯xx¯(x-bar)=31, and s=5, find the margin of error at a 99% confidence level
If n=13, x-bar=48, and s=9, find the margin of error at a 80% confidence level Give your answer to two decimal places.
If n=11, 7(x-bar)-45, and s=7, find the margin of error at a 90% confidence level Give your answer to two decimal places.
1. If n=28, (x-bar)=49, and s=6, find the margin of error at a 95% confidence level. Give your answer to two decimal places. 2. In a survey, 10 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $39 and standard deviation of $8. Find the margin of error at a 90% confidence level. Give your answer to two decimal places. 3. If n=20, (x-bar)=50, and s=20, construct...
Fluid Mechanics: Please help me to solve this question correctly, in an organized way, so that I can understand and be able to do this type of problem myself too. In addition, please include any relevant formulas that would help to solve the question. Many thumbs up, thank you! 30 per Pa Vahe Law of Contni tiy O.VA We were unable to transcribe this image
If n=15, ¯xx¯(x-bar)=48, and s=15, construct a confidence interval at a 99% confidence level. Assume the data came from a normally distributed population. Give your answers to one decimal place. < μμ < Submit Question
If X over = 90, σ = 11, and n = 63, construct a 95% confidence interval estimate of the population mean, μ. i'm not looking for just the answer. If someone could help with the formula and steps so I can understand how to do it.
You HAPPEN TO KNOW THAT 20% OF ALL THE STUDENTS HAVE BLUE EYES. YOU GATHER A RANDOM SAMPLE OF 50 STUDENTS. FIND A VALUE SUCH THAT THERE IS A 95% PROBABILITY THAT THE SAMPLE PROPORTION WOULD BE GREATER THAN THAT VALUE. PLEASE SHOW WORK SO I CAN TRY AND UNDERSTAND THIS.... someone answered for me but doing the match calculations it just is not working. If someone could break it down for me that would be great. Trying to teach...