Answer:
45%
Step-by-step explanation:
- Add 9 and 11 to see how many students there are in all. The answer to this is 20.
- Divide 9 by 20. You get .45, which is equal to 45%.
Answer:
see the attachment photo!
Answer:
B) 0.894
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 interval.
A local animal rescue organization receives an average of 0.55 rescue calls per hour.
This means that 
Probability that during a randomly selected hour, the organization will receive fewer than two calls.

In which




Slope formula: y2-y1/x2-x1
5-1/-1+3= 4/2=2
m=2
Answer:
16
Step-by-step explanation:
the equation is x = k / y
therefore k = x* y
k = 2*8
k= 16