Answer:
18.88% probability that three or four customers will arrive during the next 30 minutes
Step-by-step explanation:
In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:
In which
x is the number of sucesses
e = 2.71828 is the Euler number
is the mean in the given time interval.
Average rate of 6.4 per 30 minutes.
This means that 
What is the probability that three or four customers will arrive during the next 30 minutes?
18.88% probability that three or four customers will arrive during the next 30 minutes
<span>The inner core is made of solid iron, and it is surrounded by the liquid iron of the outer core. It is solid because the extreme pressure at the center of the earth prevents it from melting, despite the unimaginable temperatures.</span>
2 and 5 8th Convert to improper fraction.
so, after you convert it. It should be like this
11/12 divided by 21/8
then use reciprocal so it will be
11/12 multiply by 8/21
then you got 88/252
then simplify it, 88 divided 4, and 252 divided 4
so the answer is 22/63.
D. a number that can be written as a decimal that’s terminated and does not repeat
Answer:
x² -25
Step-by-step explanation:
(x +5)(x -5) = x(x -5) +5(x -5) = x² -5x +5x -25 . . . . . 5x terms cancel
= x² -25
_____
This is an example of the factoring of the difference of squares:
(a+b)(a-b) = a²-b²
