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

Question

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

Quizplus · Accepted Answer

The Answer of 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

The Search Time for a Particular Search Term on Google