# Question: Hybrid car batteries have an estimated average life of eight

Hybrid car batteries have an estimated average life of eight years. Using this average, if battery life has an exponential distribution, how likely is it that a random hybrid battery will have a life of

a. At least 6 years?

b. Between 7 and 9 years?

c. Less than 5 years?

a. At least 6 years?

b. Between 7 and 9 years?

c. Less than 5 years?

**View Solution:**## Answer to relevant Questions

An average of four trucks per hour arrive at the receiving dock at Yuri Industries. No trucks have arrived in the last half-hour. Assuming that all Poisson conditions are met, determine the probability that you will need to ...Use the standard normal table to determine that probability that a. z is between 0 and 1; that is, find P(0 ≤ z ≤ 1). b. z is greater than or equal to 1.5; that is, find P(z ≥ 1.5). c. z is between 2 and 3; that ...The average number of shares traded daily on the New York Stock Exchange during the past year was 1.9 million. If the distribution of daily trading volume is approximately normal, with a center at 1.9 million shares and a ...The germination time for a newly developed seed has a normal distribution, with a mean germination time of 16.4 days and a standard deviation of 2.2 days. a. What percentage of the seeds has a germination period between 15 ...The distance from a random leak in an oil pipeline made up of 30-foot segments to the segment end nearest the leak (where the pipeline would be opened in order to get inside to make repairs) has a uniform distribution ...Post your question