Answer:
0.980
Step-by-step explanation:
To find the reliability of the engine, we need all the ten components to work. Each components has a reliability of 0.998, so to find the reliability of the engine we need to find the probability of all ten components working.
We can find this probability multiplying all the ten reliabilities:
P = 0.998^10 = 0.9802
Rounding to three decimal places, we have P = 0.980
The reliability of the engine is 0.980