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Z Test for proportion

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The engineering school at a major university claims that 20% of its graduates are women. In graduating class of 210 students, 58 were women. Does this suggest that the school is believable? Use a= 0.05. Show all of your work, including curve, and make your language a layman can understand

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Step by step method for testing the hypothesis under 5 step approach is discussed here.

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The engineering school at a major university claims that 20% of its graduates are women. In graduating class of 210 students, 58 were women. Does this suggest that the school is believable? Use a= 0.05. Show all of your work, including curve, and make your language a layman can understand
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The null hypothesis ...

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