Answers by Sullan
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Answers by Sullan

Answers by Sullan
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The length of an instant message conversation is normally distributed with a mean of 5 minutes and a standard deviation of 0.7 minutes. What is the probability that a conversation lasts longer than 6 minutes?
answered Mar 26, 2018
3 votes
235k views
Which sentence is grammatically correct? A. Paco cumplo seis años hoy. B. Paco cumples seis años hoy. C. Paco cumple seis años hoy. D. Paco cumplen seis años hoy.
answered Jan 9, 2018
3 votes
105k views
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
answered Jan 1, 2018
3 votes
42.1k views
Round number 495 to the nearest 10
answered Dec 21, 2017
7 votes
223k views
Which record-keeping strategy was used by the Egyptian and the Mesopotamian civilizations? using papyrus reeds as permanent record employing trained scribes to write documents detailing only economic activity
answered May 15, 2017
3 votes
136k views
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