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ehidna [41]
3 years ago
8

Which is the better buy; 3 pounds for $8.31 or 5 pound for $12.95

Mathematics
2 answers:
irina1246 [14]3 years ago
5 0
I agree, definitely 5 pound for 12.95
aliya0001 [1]3 years ago
4 0
I would say 5 pounds for $12.95
Hope this helps!
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Step-by-step explanation:

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part a) of the question asks for the probability that the passengers wait less than 5 minute. The passengers would have to wait for the bus 5 min or late if they arrive between the times (10 - 15 )min and (25  - 30) min. So we will have to integrate the PDF corresponding to these times and then we will will just have to add the probabilities calculated as give below,

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Now part b) of the question asks for the probability that the passenger waits for more than 10 minutes. Which can be calculated by noting that that can only happen if the passenger arrives between the times (0 - 5) min and (15 - 20) min. So we will have to integrate the PDF corresponding to these times and then we will will just have to add the probabilities calculated as give below,

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Step-by-step explanation:

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