Multiple Choice
Lionel receives an average of 3.0 text messages per minute.Assuming that all the Poisson conditions are met for the random variable "number of text message received in a minute," determine the standard deviation of the random variable "time between text messages" in seconds.
A) 10
B) 30
C) 15
D) 34
E) 20
Correct Answer:
Verified
Correct Answer:
Verified
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