Use the One-Proportion Z-Test to Perform the Required Hypothesis Test

question 92

Essay

Use the one-proportion z-test to perform the required hypothesis test. Use the critical-value approach.
-A poll of 1,068 adult Americans reveals that 48% of the voters surveyed prefer the Democratic candidate for the presidency. At the 0.05 level of significance, do the data provide sufficient evidence that the percentage of all voters who prefer the Democrat is less than 50%?

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Definitions:

Present Value

The value today of a future sum of money or sequence of cash flows, when discounted by a certain rate of return.

Float

The total number of shares of a company that are available for trading by the public.

Checks

Financial instruments that order a bank to pay a specific amount of money from the writer's bank account to the person or entity in whose name the check has been issued.

Bank

A financial institution licensed to receive deposits, offer loans, and provide other financial services to its customers.