Childbirth in the Philippines. The maternity ward at Dr. Jose Fabella Memorial Hospital in Manila in the Philippines is

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Childbirth in the Philippines. The
maternity ward at Dr. Jose Fabella Memorial Hospital in Manila in
the Philippines is one of the busiest in the world with an average
of 60 births per day. Let X=the number of births in an hour
NOTE: Enter answers rounded to 2 decimal places and use a
leading zero when needed. For example: if the answer is .1,
enter the answer as 0.10
QUESTIONS:
21. Find the mean and standard deviation of X.
Mean =
Lambda*1hour=
Standard deviation
=
22. What is the probability that the maternity ward will deliver
3 babies in one hour? P(x=3) =
23. What is the probability that the maternity ward will deliver
at most three babies in one hour? P(x<3) =
24. What is the probability that the maternity ward will deliver
more than five babies on one hour? P(x>5) =