A Cell Phone Company Wants to Determine If the Use

question 87

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:

Phenotype

The traits or features that can be seen in an organism, which emerge from how its genetic makeup interacts with environmental factors.

Identical Twins

Twins that develop from a single fertilized egg, resulting in two genetically identical individuals.

Genotype

The genetic makeup of an organism determining its characteristics.

Phenotype

The set of observable characteristics or traits of an organism resulting from the interaction of its genotype with the environment.