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A kennel is to be enclosed with a 20m of fencing. The length of the kennel is to be an integer length and is to be chosen randomly. What is the expected area of the kennel?

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  1. area=l*w=
    but 2L+2w=20 or w=10-L
    area= L(10-L)

    but L is random. 1,2,3,4,5 but less than 10

    expected area, if L can be 1,2,3,4,5,6,7,8,9, then 5 is the mean, or average, or expected after many trials.

    Area= 25

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