Barry Has Asked That You Give Him a Pop Quiz

question 76

Multiple Choice

Barry has asked that you give him a pop quiz on the features of Windows Live Hotmail. You are ready and ask him the questions below.
-You ask Barry how he can be sure that an email has been deleted. He replies that the best way is to ____.

• A) close Windows Live Mail and reboot the computer
• B) reformat the hard drive
• C) go to the Deleted folder and click Delete from there
• D) drag the Windows Live Mail icon from his desktop to the Recycle Bin

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Definitions:

Z-test

A statistical test used to determine whether two population means are different when the variances are known and the sample size is large.

µ = 15

Represents the mean of a population is equal to 15.

Z-statistic

A measure used in statistics to quantify the deviation of a data point or a group of data points from the mean, expressed in terms of standard deviations.

Two-tailed Test

A statistical test that allows for the exploration of relationships in both directions, enabling the detection of significant differences regardless of the direction.