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:

Durable Power

A legal document granting someone else the authority to act on another's behalf, remaining in effect even if the granter becomes incapacitated.

Incapacitated

A state where an individual is unable to make informed decisions or manage their own affairs due to mental or physical limitations.

Codicil

Some addition to or qualification of one’s last will and testament.

Amendment

A modification, change, or addition to a legal document or statute.