a) Construct a 93% confidence interval for the corresponding true proportion. b) With what degree of confidence can we say that the proportion of contamination in drinking water is 1,9±0.02?
a) Construct a 93% confidence interval for the corresponding true proportion. b) With what degree of confidence can we say that the proportion of contamination in drinking water is 1,9±0.02?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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In a certain village in Turkey, a sample of 100 cl of drinking water is examined and it is found
out that 190 % of the sample is contaminated with sewage.
a) Construct a 93% confidence interval for the corresponding true proportion.
b) With what degree of confidence can we say that the proportion of contamination in drinking
water is 1,9±0.02?
use decimal digits
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