4. You are packing clothes for vacation and don't want to take any t-shirts. You randomly choose 3 shirts from a drawer containi
ng 4 t-shirts, 3 polo shirts, and 3 button-downs.
a. What is the probability that the first 3 shirts are t-shirts when you replace each shirt before choosing the next one?
b. What is the probability that the first 3 shirts are t-shirts when you do not replace each shirt before choosing the next one?
*I know this is a lot, but it would really help me out if someone could help me out, I don't know how to describe it, but thanks.*
a. What is the probability that the first 3 shirts are t-shirts when you replace each shirt before choosing the next one?
b. What is the probability that the first 3 shirts are t-shirts when you do not replace each shirt before choosing the next one?
*I know this is a lot, but it would really help me out if someone could help me out, I don't know how to describe it, but thanks.*
1 answer:
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Answer:
- 9
- (x-8)/3
- -1
Step-by-step explanation:
The inverse function for a set of ordered pairs can be found by swapping the x- and y-coordinates in each pair.
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The inverse of a function expressed algebraically can be found by swapping the x- and y-variables and solving for y.
A function of its own inverse returns the original value: