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30 questions
A die is thrown 1000 times and outcomes were recorded as follows , if the die is thrown once more, then the probability that die shows 5 is
A coin is tossed 175 times and tail appears 38 times . If this coin is tossed once again, then the probability of getting head is
In a sample study 642 people , it was found that 514 people have high school certificate. If a person is selected at random, then the probability that the person has a high school certificate is
0.5
0.6
0.7
0.8
On a particular day, 30 students are present in a class and another 10 are absent. The teacher calls out attendance of a particular roll number. What is the probability that the student is absent ?
In a press conference, 150 persons appeared .out of which 80 were retired army mam, 40 were retired principals and 30 others from different departments. A person is selected at random. What is the probability that selected person is a retired army man?
8/15
5/31
15/17
13/15
Heena dialed a phone 📞 number 100 times in a week , out of which she gets the response 36 times. The probability that she will not get response is
55/100
100/55
45/100
64/100
35 students participating in a debate competition. Out of these , 13 are girls and rest are boys. A student is chosen at random. The probability that the chosen student is a boy is
A survey of 200 persons of a locality shows the liking and disliking of tea
out of these persons one was chosen at random. What is the probability that the chosen person likes the tea?
In 50 tosses of coin , tail appears 32 times. If coin is tossed at random, what is the probability of getting a head ?
In 50 throws of a die, the outcomes were noted as given:
A die is thrown at random . What is the probability of getting an even number ?
Two coins are tossed 1000 times and outcomes are recorded as given
A coin is thrown at random. What is the probability of getting at most one head?
Probability of impossible event is
1
0
0.1
none of these
It is given that the probability of winning game is 0.7. What is the probability of loosing game ?
0.8
0.3
0.7
0.07
10 times
20 times
30 times
40 times
In a baseball match, Jack and David are in team A and team B respectively. The possibility of team A will win the match is 0.23 . What is the possibility of team B winning the match?
0.30
0. 77
0.67
0.50
What is the probability of a number chosen from the first 100 natural numbers is divisible by both 5 and 3?
There are 15 contestant in a game show . The chance of winning for any of the contestant is equally likely. The probability of losing of any contestant is
When three identical coins are tossed, what is the probability of getting at least two heads
if an event never occurs , its probability is....
3
2
1
0
if an event occurs surely , its probability is.......
0
1
2
4
Among the followings ,......cannot be the probability of an event.
2/3
0.7
0.15
1.5
A letter is chosen at random from the english alphabet. Then, the probability that the chosen letter is a vowel is.....
1/26
3/26
5/26
1/52
The probability of getting a prime number is a single throw of a die is ......
1/2
1/6
1/3
3/4
A spinner is spun twice. What is the probability of spinning green both times?
1/16
1/4
1/2
1/8
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Marbles are taken one at a time without replacement. P(both marbles are purple)
2/9
1/3
1/2
1/4
What is the probability of spinning green (as a percent)?
30%
20%
25%
50%
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