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See answer. Knowing the average of a certain data set can help with estimations of expected outcomes. Automated acceptance testing Code Code Review Compile Safe Agile Devops Develop describes the practices necessary to, are from SAFe DevOps 5.0 Which technical practice incorporates build-time identification of security vulnerabilities in the code? hb```a`` c B@Q>O Should the personnel team believe that the mean number is ten? After four years the girls were surveyed again. 1. 27 popular meanings of CLAMS abbreviation: 50 Categories. This page titled 6.3: The Sample Proportion is shared under a CC BY-NC-SA 3.0 license and was authored, remixed, and/or curated by via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. Reason for decision: The \(p\text{-value}\) is less than 0.05. Types of Graphs - Meet Mrs. Weber! From past studies of this tire, the standard deviation is known to be 8,000. Chesapeake Lighthouse and Aircraft Measurements for . (With Examples). Suppose you dont believe the reported figures of the percent of girls born in China. \[\mu _{\hat{p}}=p=0.38\; \text{and}\; \sigma _{\hat{P}}=\sqrt{\frac{pq}{n}}=\sqrt{\frac{(0.38)(0.62)}{900}}=0.01618 \nonumber\], Then \(3\sigma _{\hat{P}}=3(0.01618)=0.04854\approx 0.05\) so, \[\left [ \hat{p} - 3\sqrt{\frac{\hat{p}(1-\hat{p})}{n}},\, \hat{p}+3\sqrt{\frac{\hat{p}(1-\hat{p})}{n}} \right ]=[0.38-0.05,0.38+0.05]=[0.33,0.43] \nonumber\]. Use your random number generator to randomly survey 15 prices. Biology questions and answers. \[\begin{align*} P(0.33<\hat{P}<0.43) &= P\left ( \frac{0.33-\mu _{\hat{P}}}{\sigma _{\hat{P}}}