Use the given probability of each event to find the probability of the complement
2 answers:
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My father taught me a method that I call, 'throwing some thing over the wall'. There is a sample equation for the first picture that shows you how it works. It's a great way to help isolate the variable and I hope that it works for you. The second picture contains the answers I got through the use of this method. I'm sorry for the messy handwriting; I was on a bus.
so x=5
substituting for x in the equation we get:
Ans C: 16