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Questions and Answers
What is the probability of rolling a prime number on a standard six-sided dice?
What is the probability of rolling a prime number on a standard six-sided dice?
- 1/3
- 1/2
- 1/6 (correct)
- 2/3
If the probability of an event A is 0.4 and the probability of its complement is 0.6, what is the probability of event A union its complement?
If the probability of an event A is 0.4 and the probability of its complement is 0.6, what is the probability of event A union its complement?
- 0.6
- 0.24
- 0.4
- 1 (correct)
In a bag, there are 5 red balls, 3 blue balls, and 2 green balls. What is the probability of drawing a blue ball, replacing it, and then drawing a green ball?
In a bag, there are 5 red balls, 3 blue balls, and 2 green balls. What is the probability of drawing a blue ball, replacing it, and then drawing a green ball?
- 1/5
- 3/25 (correct)
- 3/10
- 1/10
