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Lesson 7.3 Compound Events
Directions: Read and answer each question in the boxes provided.
4. You forgot the last two digits of your cell phone passcode.
What is the probability that you randomly choose the correct digits?
a.
+
1
2
5
8
0
3
6
9
b.
7
Suppose you remember that both digits are even. How does this
change the probability that you choose the correct digits?
Bonus
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Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.