Complementary Event
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[2 Marks]
The probability of a person winning a game is 0.8, the probability of him losing a game is
In a cricket match , the player hits a 4 in every 12 balls. What is the probablity of him not hitting a 4 .
1
112
23
34
A bag contains 8 red, 2 black and 7 white balls. One ball is drawn at random. The probability that the ball drawn is not white is
517
1017
217
817
A bag contains three green marbles, four blue marbles and two orange marbles. If a marble is picked at random, then the probability that it is not an orange marble is
14
13
49
79
If the probability of an event happening is x, then the probability of event not happening is
x + 1
1/x
x - 1
1 - x
Which of the following is not a complementary event?
Probability of finding red balls in a bag having green and red balls only.
Probability that the topper of the school is boy or a girl (if only two sexes are considered).
Probability of finding a student inside or outside the class on a school day.
None of these
- 0.5
- 0.05
- 0.25
- 5
The probability of guessing the correct answer to certain test questions is y4. If the probability of not guessing the correct answer to these questions is 34, then the value of y is:
1
0
12
14
Two dice are thrown simultaneously. What is the probability of not getting same numbers on both dice?