Multiple Choice
Births in the US occur at an average rate of 7.5 births per minute (Source: Census.gov, 2013) .Assume all the Poisson conditions are met.What is the standard deviation (in minutes) of the "time between births" random variable?
A) 0.13 minutes
B) 0.55 minutes
C) 7.5 minutes
D) 13.3 minutes
Correct Answer:
Verified
Correct Answer:
Verified
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