Pilots' Union Contract

question 152

Essay

Pilots' Union Contract
A union composed of several thousand pilots is preparing to vote on a new contract.A random sample of 500 pilots yielded 320 who planned to vote yes.It is believed that the new contract will receive more than 60% yes votes. ​ ​
-{Pilots' Union Contract Narrative} Can we infer at the 5% significance level that the new contract will receive more than 60% yes votes?

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Definitions:

Turgor Pressure

The pressure exerted by water inside the cell against the cell wall, providing structural support in plant cells.

Translocation

The process by which substances are moved within a plant, especially the transport of sugars from leaves to other parts through the phloem.

Pressure Gradient

The physical quantity that represents the rate of pressure changes over a specified distance in a fluid medium.

Phloem

The plant's vascular system responsible for moving sugars and other substances produced during metabolism from the leaves downward.