If

and

are mutually independent, then

and

.
If

and

are independent, then

. Ditto for

and

.
The inclusion/exclusion principle says that

Since

and

are mutually exclusive, their intersection is the empty set. It then follows that

also is the empty set, so the last probability is also 0.
Plug in what we know:

Answer is -3/4
Start with putting parentheses on the given numbers for these variables
Remove parentheses(When there is a in front of an expression in parentheses, the expression remains the same)
Reduce the numbers with the greatest common factor(3)
Calculate the difference 1 -7/4
Alternative form: -0.75
Answer: 42.24
Step-by-step explanation:
42.24
33 x 128
100
= 42.24
Answer:
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