Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 03 Feb 2018 My Price 8.00

paper airplane competition

Paper airplanes. In preparation for a regional paper airplane competition, a student tried out her latest design. The distances her plane traveled (in feet) in 11 trial flights are given here. (The world record is an astounding 193.01 feet!) The data were 62, 52, 68, 23, 34, 45, 27, 42, 83, 56, and 40 feet. Here are some summaries:

a) Construct a 95% confidence interval for the true distance.

b) Based on your confidence interval, is it plausible that the mean distance is 40 ft? Explain.

c) How would a 99% confidence interval for the true distance differ from your answer in part a? Explain briefly, without actually calculating a new interval.

d) How large a sample size would the student need to get a confidence interval half as wide as the one you got in part a, at the same confidence level?

Answers

Maurice Tutor
(5)
Status NEW Posted 03 Feb 2018 11:02 PM My Price 8.00

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