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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 73 people in the 18-21 age bracket and finds that 62 of them respond and 11 refuse to respond. When 316 people in the 22-29 age bracket are contacted, 292 respond and 24 refuse to respond. Assume that 1 of the 389 people is randomly selected. Find the
Give your answer as a decimal (to at least 4 places).
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