The Downhill Manufacturing company produces snowboards. The average life of their product is 10 years. A snowboard is co

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answerhappygod
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The Downhill Manufacturing company produces snowboards. The average life of their product is 10 years. A snowboard is co

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The Downhill Manufacturing company produces snowboards. The
average life of their product is 10 years. A snowboard is
considered defective if its life is less than 5 years. The
distribution is approximately normal with a standard deviation for
the life of a board of 3 years.
3-3. In a shipment of 120 snowboards on average how many do you
expect to be defective?
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