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Q 1/10
Score 0
If the probability of event A is 0.6 and the probability of event B is 0.4, and the probability of both A and B occurring is 0.2, what is the probability of A or B occurring?
30
Q 2/10
Score 0
30
10 questions
Q.
If the probability of event A is 0.6 and the probability of event B is 0.4, and the probability of both A and B occurring is 0.2, what is the probability of A or B occurring?
1
30 sec
Q.
2
30 sec
Q.
The probability of selecting a red card from a standard deck of cards is 0.5. The probability of selecting a face card is 0.231. If the probability of selecting a red face card is 0.115, what is the probability of selecting either a red card or a face card?
3
30 sec
Q.
4
30 sec
Q.
5
30 sec
Q.
In a classroom, the probability that a student plays a sport is 0.7, and the probability that a student participates in arts is 0.5. If the probability that a student does both is 0.3, what is the probability that a student plays a sport or participates in arts?
6
30 sec
Q.
In a bag, the probability of drawing a red marble is 0.4, and the probability of drawing a blue marble is 0.3. If the probability of drawing both a red and a blue marble is 0, what is the probability of drawing either a red marble or a blue marble?
7
30 sec
Q.
If the probability of event A occurring is 0.25 and the probability of event B occurring is 0.55, and these events are independent, what is the probability of neither event A nor event B occurring?
