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elena55 [62]
2 years ago
14

Please help on the half circle one

Mathematics
1 answer:
yan [13]2 years ago
5 0

Answer:

28.26

Step-by-step explanation:

Area of a circle is pi * radius squared

The diameter is 6, so the radius is 3

pi * 3^2 = 3.14 * 9 = 28.26

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Occasionally an airline will lose a bag. Suppose a small airline has found it can reasonably model the number of bags lost each
julia-pushkina [17]

Answer:

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b) The probability that the airline will lose 0,1, or 2 bags next Monday is 0.6227

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Step-by-step explanation:

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b) Note that P(X \in \{0,1,2\} = P(X=0) + P(X=1) + P(X=2) . And

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c) If the double of flights are taken, then you at least should expect to loose a similar proportion in bags, because you will have more chances for a bag to be lost. WIth this in mind, we can correctly think that the average amount of bags that will be lost each day will double. Thus, i would double the mean of the Poisson model, in other words, i would take a Poisson model with mean 4.4, instead of 2.2.

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I'll go with A and B 

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