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1. In a random sample of 200 college graduated, 42 said they think a college degree...

1. In a random sample of 200 college graduated, 42 said they think a college degree is not worth the cost. Test to see if this sample provides significant evidence that the population proportion of college graduated who believe a college degree is not worth the cost is different from 25%. Use a 5

a.

b. Calculate the observed sample statistic:

Calculate the z-scores for this sample statistic: z= ________

c. Use Statkey to find the p-value for this test: pvalue: __________

d. Formal decision: Reject Ho or Do Not Reject Ho?

e. Write a sentence explaining the conclusion of the text in context:

Math   Statistics-And-Probability   
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