A b c or d..................
2 answers:
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Answer:
Step-by-step explanation:
Given
New mail carrier takes 4 hours for delivery i.e.
New mail carrier completes part of work in 1 hour
Old mail carrier takes 3 hours for delivery i.e.
mail carrier completes part of work in 1 hour
If they work together, they complete the work in x hours i.e.
Answer:
Step-by-step explanation:
Given that the number of drivers who travel between a particular origin and destination during a designated time period has a Poisson distribution with parameter μ = 20 (suggested in the article "Dynamic Ride Sharing: Theory and Practice"†).
a)
b)
c)
d) 2 std dev = 2(20) =40
Hence 2 std deviation means
20-40, 20+40
i.e. (0,60)