The Search Time for a Particular Search Term on Google

question 19

Multiple Choice

The search time for a particular search term on Google is defined by the probability density function below, where x = random variable "time to produce a result in milliseconds".Determine the standard deviation of x. 1/5 for values of x between 250 and 255
f(x) =
0 everywhere else

• A)2.083
• B)3.001
• C)1.673
• D)2.298
• E)1.443

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Definitions:

Important Crop

A key agricultural product that plays a crucial role in the economy of a region or country due to its value and usage.

Recessions

A brief era of economic contraction observed through lessened trade and industry efforts, frequently identified by a successive quarterly GDP decrease.

Consumer Spending

Consumer spending is the total amount of money spent by households and individuals on goods and services within an economy over a period of time.

Recession

A quick phase of economic reduction, where industrial and trade dynamics slow down, typically delineated by a GDP decrease in two consecutive quarters.