MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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In a random sample of twelve ​people, the mean driving distance to work was 22.4 miles and the standard deviation was 7.3 miles. Assume the population is normally distributed and use the​ t-distribution to find the margin of error and construct a 99​% confidence interval for the population mean μ. Interpret the results. A identify the margin of error. B Construct a 99 % confidence interval for the mean. C Interpret the results select the correct choice and fill in answer box to complete - Option 1 With ___ % of confidence it can be said that most driving distances to work in miles in the population are between the intervals endpoints Option 2 With ___ % confidence it can eb said that the population mean driving distance to work in miles is between the intervals endpoints Option 3 It can be said that ___ % of the population has a driving distance to work in miles that is between the intervals endpoints Option 4 ___ % of all random samples of 12 peoplle from the population will have a mean driving distance to work in miles that is between the intervals endpoints. D The new confidence is interval ____ the confidence interval that used the t-distribution and has ____ center OPTIONS are narrower than, wider than, and as wide as for the first and the same, greater, or less for the second

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