An opinion poll was conducted to examine people's satisfaction with the work of civil defense during the coronavirus epidemic. 200 people were asked and 180 of them said they were satisfied with the work of the civil defense. The polling company also conducted a hypothesis test with the hypotheses below and found that the value of the test size was 1.88. H0 : p = 0,85 H1 : p ≠ 0,85 What is the p-value of the hypothesis test?

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Q: Differentiate the Type 1 and Type 2 Error in doing Hypothesis Testing.

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Q: Corona virus has affected different states differently in the U.S. In New York out of 142 ICU…

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Q: In a survey of 240 students in an elementary statistics class at the University of California-Davis…

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Q: news article that you read stated that 56% of voters prefer the Democratic candidate. You think that…

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.