Answer:

Step-by-step explanation:
Independent events:
If two events, A and B are independent, the probability of both A and B happening is the same as the probability of A happening multiplied by the probability of B happenings, that is:

In this question:
The statement is 
Answer:

Step-by-step explanation:
There are 56 females
There is 56 females
34 are 20+
34/56 simplfies to 17/28
Answer:
6.9
7.-5
8.-10
Step-by-step explanation:
Answer:
Step-by-step explanation:
it is 17/50 or 34%
The number is -11/4 less than -8/3