Question

Allen Abbott has a wide-curving, uphill driveway leading to his garage. When there is a heavy snow, Allen hires a local carpenter, who shovels snow on the side in the winter, to shovel his driveway. The snow shoveler charges $30 to shovel the driveway. Following is a probability distribution of the number of heavy snows each winter:
Heavy Snows .......... Probability
1 ............... .13
2 ............... .18
3 ............... .26
4 ............... .23
5 ............... .10
6 ................ .07
7 ................ .03
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Allen is considering purchasing a new self-propelled snowblower for $625 that would allow him, his wife, or his children to clear the driveway after a snow. Discuss what you think Allen’s decision should be and why.



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  • CreatedJuly 17, 2014
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