Mia surveyed the students at her school to find out if they like the color black and/or pink. The results of her survey are show
n in the two-way table below:
If a student does not like pink, what is the probability that student also does not like black?
18.0%
21.9%
28.1%
39.1%
If a student does not like pink, what is the probability that student also does not like black?
18.0%
21.9%
28.1%
39.1%
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
The sum you are trying to understand is this.
Remember that in general when you have a geometric series
you have that
and that equality is true as long as
.
Therefore here we have
and
Therefore we can use the formula and