They randomly survey 50 students about how much money they spend on lunch each day. What is the expected value for a student to
1 answer:
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If the letters are considered distinct, then the number of permutations is 
.
If we count either C as the same character, then we would be double-counting - to correct this, we would simply divided by the number of ways we can choose C from the available characters, or
.
If we count either C as the same character, then we would be double-counting - to correct this, we would simply divided by the number of ways we can choose C from the available characters, or
Answer:
-18
Step-by-step explanation:
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