A Cell Phone Company Wants to Determine If the Use

question 66

True/False

A cell phone company wants to determine if the use of text messaging is independent of age.The follow data has been collected from a random sample of their customers.
Using the data above,in order to test for the independence of age and the use of text messaging,the expected value for the "under 21 and regularly use text messaging" cell is 82.

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Definitions:

Probability

The likelihood that an event will happen, expressed numerically between 0 and 1.

Production Run

A manufacturing process or period during which a batch of goods is produced, often of the same product, without interruption.

Sampled

The process of selecting a subset of individuals or items from a larger population for the purpose of making inferences about the population.

Defective

Refers to a product, outcome, or element that fails to meet a specified standard of quality or performance.