An engineer tests air conditioner compressors made with a new design to see if fewer have operational defects than those made with the previous design. The z-score for the observed success rate in this sample is z=-1.82. What should the researcher conclude?

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Q: We have the following data: P(A) = 0.36, P(A and B) = 0.12 and P(B) = 0.24 Find P(A/B)?

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A: Given data,n=6df=n-1=5x=9s=2.07α=0.10t-critical value is tc=2.015

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A:

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Q: please show the work for the problems with an explanation versus just shwoing calculated data.

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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.