Answer:
10
Step-by-step explanation:
| | means absolute value. Absolute value is always positive, so your equation would be evaluated to 9 + 1 = 10
The correct answer is -15 because the absolute value is 15 but there is a negative outside the absolute value lines making it negative :)
The answer to your question is B
Answer:

Step-by-step explanation:
From the question we are told that:
Exponential distribution mean 
Distance 
Generally the equation for Exponential distribution is mathematically given by


Therefore
Possion Y


Generally the equation for The probability that there are no major cracks in a 10 mile stretch of the highway is mathematically given by


