Consider the expression 3n^4-5n^3+9. What is the coefficient of n^3
1 answer:
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Answer:
Step-by-step explanation:
Total number of cards in a deck = 52
Number of red cards = 26
Number of cards not red =
Number of ways to draw not red cards =
Total ways to draw 3 cards =
The probability that none of three cards are red =
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Now , the probability that at least one of the cards drawn is a red card = 1- Probability that none cards are red
Hence, the required probability =
Answer:
Step-by-step explanation:
Let total number of students
Students went to the book fair:
Students went to book fair
Students who bought book:
Hence of total students bought at least one book.