What Is The $z$ Value to the Right of the Mean Such That

question 81

Short Answer

What is the $z$ value to the right of the mean such that $85 \%$ of the total area lies to the left of it as shown in the figure below?

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Definitions:

Premarket Testing

The process of evaluating a new product or service with a selected group of consumers before it is officially launched to the public.

Test Marketing

Introduces a new product or service to a limited geographic area (usually a few cities) prior to a national launch.

Modify Existing Products

The process of making alterations or improvements to current products to meet new requirements or take advantage of new market opportunities.

New-to-the-world Products

Innovations that create an entirely new market by being the first of their kind.