Answer by JKismyhusbandbae:
|x| - 2 > 0
|x| -2 + 2 > 0 + 2
|x| > 2
Answer: x < - 2 or x > 2
Answer : 23
-5 * -4 = 20 ( when you multiply 2 negatives the answer is always positive )
20 + 3 = 23
Answer: The probability that a randomly selected tire will have a tread-life of less than 65,000 miles is 0.7872 .
Step-by-step explanation:
The cumulative distribution function for exponential distribution is :-
, where
is the mean of the distribution.
As per given , we have
Average tread-life of a certain brand of tire : 
Now , the probability that a randomly selected tire will have a tread-life of less than 65,000 miles will be :

Hence , the probability that a randomly selected tire will have a tread-life of less than 65,000 miles is 0.7872 .