An Alarm Company Reports That the Number of Alarms Sent $\lambda = 4.7$

question 75

Multiple Choice

An alarm company reports that the number of alarms sent to their monitoring center from customers owning their system follow a Poisson distribution with $\lambda = 4.7$ alarms per year. Identify the mean and standard deviation for this distribution.

• A) mean \(= 2.17\), standard Deviation \(= 4.7\)
• B) mean \(= 4.7\), standard Deviation \(= 4.7\)
• C) mean \(= 2.17\), standard Deviation \(= 2.17\)
• D) mean \(= 4.7\), standard Deviation \(= 2.17\)

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Definitions:

Non-Financial Assets

Assets not in monetary form, such as property, plant, equipment, intangible assets, and inventories, which are expected to provide economic benefit beyond the current financial year.

Financial Assets

Assets that derive value from a contractual claim, such as cash, stocks, bonds, and bank deposits.

Debt Repayment

The act of paying back money previously borrowed from lenders, which may include both the principal amount and interest.

Financial Statements

Written records that convey the business activities and the financial performance of a company, including the balance sheet, income statement, and cash flow statement.