I think it's A because 35n is independent from the 50.
Answer:
A
Step-by-step explanation:
Answer:
21.06
Step-by-step explanation:
4.06 increased by 17
4.06 + 17
21.06
Answer:

Step-by-step explanation:
The two-way frequency table is attached below.
We have to calculate the probability of, a person chosen at random prefers pizza given that they are female, i.e 
This is a conditional probability.
We know that,

So,

From the table,


Putting the values,
