Tasks Construct a frequency table with the following information: lower class boundary, upper class boundary, midpoint, frequency, relative frequency, less than or equal to cumulative frequency, greater than or equal to cumulative frequency and answer the questions below. Round off your answers up to four decimal places, with correct units and box or encircle them. Battery life span in hours 4285 564 1278 205 2066 604 209 602 2574 14 349 3770 1009 4152 478 726 318 737 3032 3894 1429 852 1461 2662 981 1560 701 497 1402 1786 1406 35 1137 261 2778 414 83 1379 520 396 3920 1379 99 510 582 308 3367 99 373 454 Questions 1. What percentage of batteries fail within the first 1541 hours of operation? 2. What percentage of batteries fail after more than 2763 hours of operation? 3. What time represents the point when 60% the batteries fail on or before this time? 4. What time represents the point when 40% of the batteries fail after this time? 5. What percentage of batteries fail after greater than or equal to 930 hours of operation? 6. What percentage of batteries fail after less than 3374 hours of operation? 7. What time represents the point when 12% the batteries fail on or after this time? 8. What time represents the point when 88% of the batteries fail before this time?