Answer:
4
1×2=2×2=4 so that is how the answer is reached
7/9 is the answer because you have to find common denominators and all that
Answer:
0.2287
Step-by-step explanation:
The computation of the probability that the automated manufacturing system runs for more than 18 hours without a failure is shown below:
P(X > 17) = 1 - P(X < 17)
= 1 - [1 - e^-18 ÷ 12.2]]
= 1 - [1 -0.228684984
]
= 0.2287
