
Let's solve ~






Therefore, the required factors are ~ (x - 1) and (2x - 3)
So, correct choice is B
Answer:
0.0548
Step-by-step explanation:
The distribution of life span for a certain type of battery is approximately normal with mean 2.5 hours and standard deviation 0.25 hour.
To find the the probability that a selected battery will have a life span of at most 2.1 hours, we need to first determine the z-score for x=2.1 hours using

We substitute the values to get:

We read read -1.6 from the standard normal distribution table to get:
P(X≤2.1)=0.0548
I think it is y=35 because u multiply both sides by 5 move the variable right then the final solution is
It would be: 20/7 = 2 6/7
In short, Your Answer would be 2 6/7
Hope this helps!
Answer:
its B
Step-by-step explanation: