Answer:
Option B
Step-by-step explanation:
Here we have to apply " combination and permutation. " It is given that the drama club had to choose three booths from a selection of 9, considering the possible ways to choose so. This is a perfect example of combination. In nCr, n corresponds to 9, respectively r corresponds to 3.

Hope that helps!
Out of 960 calculators, 8 were found be to defective
Probability:

0.00833...
As a Percent:
0.00833....× 100
0.833%
To the nearest tenth of percentage:
0.833% ≈ 0.8%
Answer: The eye color of people on commercial aircraft flights is a discrete random variable.
Step-by-step explanation:
A discrete random variable is a variable with real values that are countable.
A discrete random variable has a probability that is between 0 and 1 for each possible values and the sum of all these probabilities equals 1.
Answer:
4.11
Step-by-step explanation:
Answer:
The number of adults attended was 600
Step-by-step explanation:
Let
x ----> the number of children attended
y ----> the number of adults attended
we know that
-----> equation A
----> equation B
Solve the system by graphing
The solution of the system of equations is the intersection point both graphs
using a graphing tool
The solution is the point (200,600)
see the attached figure
therefore
The number of children attended was 200 and the number of adults attended was 600