Instruction 8-7 After an Extensive Advertising Campaign,the Manager of a Company Wants

question 153

True/False

Instruction 8-7
After an extensive advertising campaign,the manager of a company wants to estimate the proportion of potential customers that recognise a new product.She samples 120 potential consumers and finds that 54 recognise this product.She uses this sample information to obtain a 95% confidence interval that goes from 0.36 to 0.54.
-Referring to Instruction 8-7,it is possible that the true proportion of people that recognise the product is not between 0.36 and 0.54.

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Definitions:

Keystone Species

A species that has a disproportionately large effect on its ecosystem, influencing the types and numbers of other species in a community.

Sea Stars

Sea stars, also known as starfish, are marine invertebrates belonging to the class Asteroidea, known for their radial symmetry and a body plan consisting of a central disc from which arms (or rays) extend.

Intertidal Zone

The area of the shoreline that is exposed to the air at low tide and submerged under water at high tide, home to diverse organisms.

Mussels

Aquatic mollusks with a bivalve shell, widely consumed as seafood, and known for their role in aquatic ecosystems as filter feeders.