Mathematics, 03.12.2019 03:31, rickimmorgan
The number of messages sent to a computer bulletin board is a poisson random variable with a mean of 5 messages per hour.
(a) what is the probability that 5 messages are received in 1 hour?
(b) what is the probability that 10 messages are received in 1.5 hours?
(c) what is the probability that the time between two consecutive received messages exceeds 30 minutes?
(d) find the expected value and the standard deviation of the number of messages received daily.
Answers: 3
Mathematics, 21.06.2019 14:00, maddynichole2017
Solve |2x - 5| = 4 if anyone could , that would be great
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What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)
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Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.
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Mathematics, 22.06.2019 01:30, alyssaboosiefkes
Im so bad at fractions they are not my best math thing to work on
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