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What will be the value of the critical value on the left

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Reference no: EM132422264

Problem: The null hypothesis is that the true proportion of the population is equal to .40. A sample of 120 observations revealed the the sample proportion "p" was equal to .30. At the .05 significance level test to see if the true proportion is in fact different from .40.

Required:

Question 1: What will be the value of the critical value on the left?

Question 2: What is the value of the test statistics?

Question 3: Is there evidence that the true proportion is different from .40

Question 4: Did you reject the null hypothesis

Reference no: EM132422264

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