Question 5 Class interval (minutes)# dryer failed (frequency) 1000 - 1100 29 1100 - 1200 63 1200 - 1300 55 1300 - 1400 90 1400 - 1500 130 1500 - 1600 27 1600 - 1700 46 1700 - 1800 42 1800 – 1900 4....

Extracted text: Question 5 Class interval (minutes)# dryer failed (frequency) 1000 - 1100 29 1100 - 1200 63 1200 - 1300 55 1300 - 1400 90 1400 - 1500 130 1500 - 1600 27 1600 - 1700 46 1700 - 1800 42 1800 – 1900 4. Randomly selected hair dryers of a particular brand have been used continuously and their life-times noted in above given schedule. Find the survival probability or reliability at time = 1200 Hrs Round answer to TWO decimal places.