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2. marking choreography is essential to your memory of the dance without having to go all out of each time to practice.
It says right there in your question a=l. So, a=l.
Now we have concluded that a=l. a equals l.
M=15 add 5 to both sides, you get m=15
Answer:
-71 cents
Step-by-step explanation:
The total number of balls is 2 + 10 + 30 = 42 balls
The probability of getting gold marble
The probability of getting silver marble
The probability of getting black marble
With the price for each case, we can calculate the expected value of the game by multiplying the price money by the probability and sum them up

dollar
or -71 cents.
So expect to lose 71 cents everytime you play this game