A Computer Software Magazine Compares the Rates of Malware Infection

question 29

Multiple Choice

A computer software magazine compares the rates of malware infection for computers protected by security software A with the rates of infection for computers protected by security software B.
They found that out of 794 computers with security software A, 24 became infected with some type of Malware after 1000 hours of internet interaction. For security software B, 47 out of 522 computers Became infected after 1000 hours of internet interaction.
Assuming these to be random samples of infection rates for the two security software packages, construct a 95% confidence interval for the difference between the proportions of infection for the two types of Security software packages.

• A) (-0.083, -0.037)
• B) (-0.086, -0.034)
• C) (-0.085, -0.035)
• D) (-0.087, -0.033)

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Definitions:

Consumption

The process by which goods and services are used up or utilized, reflecting household spending on such goods and services.

Investment Tax Credit

A tax credit offered by the government to encourage businesses to invest in certain assets by allowing them to deduct a portion of the investment cost from their taxes.

Loanable Funds

The market in which savers supply funds to borrowers who want to borrow, influencing interest rates and overall economic activity.

Crowding Out

A situation where increased government spending leads to a reduction in private sector investment or spending.