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

question 2

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, how many did not churn?

• A) 4
• B) 6
• C) 7
• D) 9
• E) 2

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Definitions:

Imprest Petty Cash

A fixed amount of cash used for small, incidental expenses, replenished periodically.

Petty Cash Receipts

Documents that provide evidence of small, incidental purchases made using a company's petty cash funds.

Fund Replenishment

The process of adding money to a fund to return it to its initial level or to support continued use or operation.

Petty Cash Fund

A small amount of cash kept on hand for minor or unexpected expenses.