Answer:
A.
Step-by-step explanation:
We have the expression:
First, let’s distribute the 2 on the right:
Multiply:
Now, combine like terms:
Hence, our answer is A.
Answer: Choice D
Each vertical line drawn through the graph will intersect a function in only one location.
This is another way of saying that for any input x, there is exactly one output y. If you had a vertical line cross through a curve at multiple points, then this would mean that x input produces multiple y outputs, and we won't have a function. A function must produce one output whatever the input is (assuming the input is in the domain of course).
Answer:
0.6547 or 65.47%
Step-by-step explanation:
One minute equals 1/60 of an hour, the mean number of occurrences in that interval is:
The poisson distribution is described by the following equation:
The probability that more than 5 vehicles will arrive is:
The probability that more than five vehicles will arrive in a one-minute interval is 0.6547 or 65.47%.
The correct answer is 10/15, simplified to 2/3.