What's the Probability? (Difficult Round)

What's the Probability?

(Difficult Round)

5 questions​

1. Two dice are thrown, what is the probability that both the dices are not having the same number.

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1. Two dice are thrown, what is the probability that both the dices are not having the same number.

2. A jar contains 7 black marbles and 5 red balls. All marbles have equal probability of being chosen. A marble is drawn, inspected, and returned to the jar. Then a second marble is randomly drawn. Find the probability that all 3 are red.

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2. A jar contains 7 black marbles and 5 red balls. All marbles have equal probability of being chosen. A marble is drawn, inspected, and returned to the jar. Then a second marble is randomly drawn. Find the probability that all 3 are red.

3. A card is drawn at random from a standard deck of cards. What is the probability that the card is an ace or jack?

Multiple Choices

Multiple Choice

3. A card is drawn at random from a standard deck of cards. What is the probability that the card is an ace or jack?

• 1/13

• 4/54

• 8/52

• 2/13

4. A die is rolled and a coin is tossed, find the probability that the die shows an odd number and the coin shows a head.

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4. Two fair dice are rolled. Find the probability that the number on one die is 3 and the other die shows a number greater than 3.

5. Two fair dice are rolled. Find the probability that the number on one die is 3 and the other die shows a number greater than 3.

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5. Two fair dice are rolled. Find the probability that the number on one die is 3 and the other die shows a number greater than 3.

That's for the final round

"Congratulations"​