It was found that in a study of air-bag effectiveness 1000 crashes of midsize cars equipped with air bags, 85 of the crashes resulted in hospitalization of the drivers. We want to test the claim that the air-bag hospitalization rate is 6.4% rate for crashes of midsize cars equipped with automatic safetly belts. Calculate the statistic of the fact Round your power to three decimal places

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A: GIVEN: 6 - x - x2  if x ≤ 32x - 5         if x > 3

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A: We have to solve for x and y value given in step 4.

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A: Recall the following fact.

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A: 1,2,3....,23,24,25 are called element of set S.  Hence, set S has 25 element which mean n(S) = 25…