An Internet Service Provider (ISP) Has Randomly Selected a Sample

question 4

Multiple Choice

An internet service provider (ISP) has randomly selected a sample of 223 observations concerning values of the response variable Churn and several predictor variables based on customer activity during the most recently billed month. Here Churn equals Yes if a customer churned-left the internet service provider for another ISP-and equals No otherwise. The predictor variable MinutesOn is the average daily minutes the customer spent online. EmailSent is the average daily number of emails the customer sent from the email address provided by the ISP. ServCalls is the number of times the customer called for service. Below is part of the classification tree they derived from the data collected in the study. Of the sampled customers who spent an average of at least 511 minutes online per day and sent an average of at least 7 emails per day from their ISP-provided email address, what is the sample proportion of those who did not churn?

• A) .800
• B) .778
• C) .429
• D) .222
• E) .200

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Definitions:

Style of Life

A concept in Adlerian psychology referring to the unique way an individual navigates life's challenges and structures their personal life, shaped by early family experiences.

Bandura's Theory

A cognitive theory proposed by Albert Bandura, emphasizing the role of observational learning, imitation, and modeling in behavior.

Bandura's Theory

Albert Bandura's social learning theory, which emphasizes that people learn from one another via observation, imitation, and modeling, incorporating the importance of cognitive processes.

Reciprocal Determinism

A concept in psychology that suggests individual behavior is a result of interactions between personal factors, environmental influences, and behavior itself.