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

question 99

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 less than 511 minutes online per day and placed fewer than 3 service calls, what is the sample proportion of those who churned?

• A) .067
• B) .078
• C) .529
• D) .861
• E) .885

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Definitions:

Marriage And Relationship Education

Educational programs and resources aimed at enhancing the quality of relationships and marriages through skills development and communication training.

Satisfying And Stable Marriages

Relationships between spouses that are fulfilling, harmonious, and consistently maintain a healthy dynamic over time.

Marriage And Health

The association between marital status and overall physical and mental health, where marriage is often linked to positive health outcomes.

Affected By Gender

Refers to the ways in which an individual's experiences, opportunities, and roles may be shaped by their gender identity and society's gender norms.