Suppose that the following relative frequency table represents hurricanes that h

Question

Suppose that the following relative frequency table represents hurricanes that have made direct hits on land. Hurricanes are given a strength category rating based on the minimum wind speed generated by the storm. Frequency of Hurricane Direct Hits Category Number of Direct Hits Relative Frequency Cumulative Frequency 1 101 0.3633 0.3633 2 78 0.2806 0.6439 3 67 0.2410 4 28 0.9856 5 4 0.0144 1.0000 Total = 278 What is the relative frequency of direct hits that were AT MOST a category 3 storm? (Round your answer to four decimal places.)

Explanation / Answer

Ans:

Relative frequency of direct hits that were AT MOST a category 3 storm=0.6439+0.2410=0.8849

Category Number of hits relative freq. cumulative relative freq. 1 101 0.3633 0.3633 2 78 0.2806 0.6439 3 67 0.2410 0.8849 4 28 0.1007 0.9856 5 4 0.0144 1 Total 278 1

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