(Solved): The average lifetime of a certain new cell phone is 3 years. The manufacturer will replace any cell ...

The average lifetime of a certain new cell phone is 3 years. The manufacturer will replace any cell phone failing within 2 years of the date of purchase. The lifetime of these cell phones is known to follow an exponential distribution. What is the decay rate? (Enter your answer as a fraction.) ILLOWSKYINTROSTAT1 5.3.092.HW. The average lifetime of a certain new cell phone is 6 years. The manufacturer will replace any cell phone falling within 4 years of the date of purchase. The lifetime of these cell phones is known to follow an exponential distribution. What is the probability that a phone will fail within 4 years of the date of purchase? (Round your answer to four decimal places.) ILLOWSKYINTROSTAT1 5.3.093.HW. The average lifetime of a certain new cell phone is 4 years. The manufacturer will replace any cell phone failing within 2 years of the date of purchase. The lifetime of these cell phones is known to follow an exponential distribution. What is the median lifetime of these phones (in years)? (Round your answer to four decimal places.) yr [-/1 Points] ILLOWSKYINTROSTAT1 6.1.060.HW. The patient recovery time from a particular surgical procedure is normally distributed with a mean of \( 5.7 \) days and a standard deviation of \( 1.8 \) days. What is the median recovery time? days The average lifetime of a certain new cell phone is 3 years. The manufacturer will replace any cell phone failing within 2 years of the date of purchase. The lifetime of these cell phones is known to follow an exponential distribution. What is the decay rate? (Enter your answer as a fraction.)