Instruction 7.6 Online Customer Service Is a Key Element to Successful Online

question 132

Short Answer

Instruction 7.6
Online customer service is a key element to successful online retailing. According to a marketing survey, 37.5% of online customers take advantage of the online customer service. Random samples of 200 customers are selected.
-Referring to Instruction 7.6,the standard error of all possible sample proportions is _________ .

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Definitions:

Circumcisions

The surgical removal of the foreskin from the human penis, often performed for medical, cultural, or religious reasons.

Smegma

A substance made up of shed skin cells, skin oils, and moisture that can accumulate under the foreskin in males and around the labia in females.

Infections

The invasion and multiplication of microorganisms such as bacteria, viruses, and parasites that are not normally present within the body.

Cryptorchidism

A condition in which one or both of the testes fail to descend from the abdomen into the scrotum in males, often corrected with surgery.