What is the probability that they are all heads or all tails

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Answer the following and provide solution for each:

1. Four coins are tossed. What is the probability that they are all heads or all tails?

2. Two dices are rolled. What is the probability that the 2 faces of the dice show numbers that add up to 9?

3. In choosing a positive integer between 100 and 999 inclusive, what is the probability of choosing a positive integer not divisible by 4?

4. When a die is rolled, what is the probability of getting a 2 or a prime number?

5. Two dice are rolled. What is the probability that the 2 faces of the dice show numbers that add up to 8 or 9?

Reference no: EM132495364

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