b) It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find the probability that i. Exactly 4 trains will pass in 30 minutes ii. less than 2 trains will pass in an hour

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 9ECP: A random number generator selects two integers from 1 to 30. What is the probability that both...
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The discrete probability distribution is given
by
1
2
3
k
2k
3k
Transcribed Image Text:Question The discrete probability distribution is given by 1 2 3 k 2k 3k
b)
It is known that an average of 5 trains
pass through Grand Central Terminal every 30
minutes. Find the probability that
i.
Exactly 4 trains will pass in 30
minutes
ii.
less than 2 trains will pass in an
hour
Transcribed Image Text:b) It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find the probability that i. Exactly 4 trains will pass in 30 minutes ii. less than 2 trains will pass in an hour
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