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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Stanford University conducted a study of whether running is healthy for men and women over age 50. During the
first eight years of the study, 135 of the 640 members of the 50-Plus Fitness Association died. We are interested in
the proportion of people over 50 who ran and died in the same eight-year period. Find the 96% confidence
interval. answers to 2 decimal places where possible.
(a) Number of successes x= 135
(b) n = 640
Thun
(c) Probability of success p'= 0.21
(d) Probabilty of failure q'= 1.09
(e) Critical Value z
11
(Use decimal format)
(Use decimal format)
(1) Find the 96% confidence interval and complete the sentence below.
Conclusion: We estimate with 96
that ran and died is between
% confidence that the true proportion of people over 50 years old
and
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Transcribed Image Text:Stanford University conducted a study of whether running is healthy for men and women over age 50. During the first eight years of the study, 135 of the 640 members of the 50-Plus Fitness Association died. We are interested in the proportion of people over 50 who ran and died in the same eight-year period. Find the 96% confidence interval. answers to 2 decimal places where possible. (a) Number of successes x= 135 (b) n = 640 Thun (c) Probability of success p'= 0.21 (d) Probabilty of failure q'= 1.09 (e) Critical Value z 11 (Use decimal format) (Use decimal format) (1) Find the 96% confidence interval and complete the sentence below. Conclusion: We estimate with 96 that ran and died is between % confidence that the true proportion of people over 50 years old and
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