6. [-/2 Points] DETAILS ILLOWSKYINTROSTAT1 1.3.086.HW. MY NOTES ASK YOUR TEACHER Refer to the following relative frequency table on hurricanes that have made direct hits on the U.S. between 1851 and 2004. A hurricane is given a strength category rating based on the maximum wind speed generated by the storm. Frequency of Hurricane Direct Hits Category Number of Direct Hits Relative Frequency Cumulative Frequency 1 109 0.3993 0.3993 2 72 0.2637 0.6630 3 71 0.2601 4 18 0.9890 5 3 0.0110 1.0000 Total = 273 What Is the relative frequency of direct hits that were AT MOST a category 3 storm? (Round your answer to four decimal places.) Additional Materials eBook 47. [2/2 Points] DETAILS PREVIOUS ANSWERS ILLOWSKYINTROSTAT1 1.4.087.HW. MY NOTES ASK YOUR TEACHER How does sleep deprivation affect your ability to drive? A recent study measured the effects on 19 professional drivers. Each driver participated In two experimental sessions: one after normal sleep and one after 27 hours of total sleep deprivation. The treatments were assigned In random order. In each session, performance was measured on a variety of tasks Including a driving simulation. Use key terms from this module that will be used to describe the design of this experiment