1. Three coins are tossed once, find the probability of getting at least one head (7/8)
2. When three coins are tossed simultaneously, find the probability of getting at least two Tails 3. Three coins are tossed simultaneously 200 times with the following frequencies of different Outcomes Out comes 3 Heads 2 Heads 1 Head No head Frequency 23 72 77 28 Find the probability of getting: a) 2 Heads b) at least 2 Heads 4. A dice is thrown once, find the probability of getting a prime number (1/2) 5. A Pair of dice is thrown once, find the probability of getting a doublet (1/6) 6. A dice is thrown once. Find the probability of getting: a) An even number (1/2) b) A prime number (1/2) c) A number greater than 4 (1/3) 7. A fair die is tossed once. Find the probability of getting: a) a number more than or equal to 3 ( 2/3) b) a multiple of 3 (1/3) 8. A letter of English alphabet is choosen at random. Calculate the probability that the letter choosen is a vowel ( 5/26) 9. A bag contains 15 balls numbered 1 to 15. Find the probability of drawing a prime number, When one ball is drawn from the bag at random (2/5) 10. Marks obtained by 50 students in a class test of 100 marks are given below Marks 0  25 25  50 50 – 75 75  100 No of students 4 12 18 16 Find the probability that a student obtained less than 50% marks 11. in a one day international cricket match, a batsman played 40 balls. The runs scored as Follows Runs scored 0 1 2 3 4 6 No of balls 13 15 5 1 4 2 Find the probability that the batsmen will score: a) 6 runs ( 1/20) b) A four or a six run (3/20) 12. One number is chosen at random from numbers 1 to 100. Find the probability that it is Divisible by 4 or 6 (33/100) 13. In a survey of 80 people, 60 people like apple juice and remaining dislike it. Find the Probability that people dislike apple juice (1/4) 14. 250 families with 2 children are selected randomly and following data were obtained Number of sons in family 2 1 0 Number of families 75 125 50 Find the probability of families having a) 2 sons b) 1 son c) no son 15. 1500 family with 2children were selected randomly and the following data was recorded Number of girls in family 2 1 o Number of family 475 814 211 Compute probability of a family chosen at random having a) At most 1 girl (41/60) b) At least 2 girls (19/60) 16. Probability of an impossible event is always……… a) 0 b) 1 c) 2 d) ½ 17. A die is thrown once. The probability of getting an even prime number is a) ½ b) 1/3 c) 1/6 d) 2/3 18. A coin is tossed once then probability of getting head is a) 2 b) 1 c) ½ d) 3 19. There are 10 bulbs in a bag in which 4 bulbs are good and rest are fused, then the Probability of fused bulbs is a)3/5 b) 2/5 c) 1 d) 2/3 20. Sum of the probability of happening and not happening of an event is a) 1 b) 2 c) 0 d) none of these 21. The probability of winning a game is 0.3. Then, the probability of losing a game is a) 0.3 b) 0.7 c) 0.6 d) 0.1 22. The Probability of a sure event is a) 1 b) – 1 c) 0 d) none of these 23. Out of 35 students participating in a debate 10 are girls. The probability that winner is a boy is : a) 1/7 b) 3/7 c)4/7 d) 5/7 24. Which of the following cannot be the probability of an event a) 1/5 b) 0.3 c) 4% d) 5/4 25. In a cricket match, a batsman hits a sixer 8 times out of32 balls played. The probability that a sixer is not hit in a ball is : a)0.75 b) 0.25 c) – 0.25 d) 0.5 For more Downloads Visit Page: Link For Pdf Download
16 Comments
krishna
13/2/2013 01:48:49 pm
very helpful
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SHAJITHA
7/3/2014 11:13:27 pm
ME TOO
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unknown
13/2/2013 01:52:43 pm
i
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dfsgfg
13/2/2013 01:53:12 pm
what is this
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unknown
27/2/2013 01:53:32 am
a bit helpul
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unknow
25/2/2015 12:26:51 am
VERY HELPFULLTO ME
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unknown
14/3/2015 03:39:55 am
Thanks for helping me with examples
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jhtuyg
16/4/2015 02:32:19 pm
nice................
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........
7/2/2016 04:13:53 am
good one
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priya
19/12/2016 10:33:38 am
very hepful.Thank u so much
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priya
19/12/2016 10:32:09 am
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hnjgug
19/12/2016 10:38:05 am
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pari
24/10/2017 10:23:02 pm
nice but plz provide us solutions
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