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A machine generated these 10 codes : \(\{0A1, AAA, ABC, 2B1, 3B7, BB2, 1AC, 111, 222, 333\}\).
A code is drawn at random to allot an employee. The probability that the code have at least two digits is :
6 codes have at least two digit
A dice is tossed 270 times and the results were as follows :
The probability of getting either 1 or 3 is :
In a cricket match, a batsman hits a boundary 6 times out of 36 balls he plays. The probability that he did not hit a boundary is:
P(did not hit a boundary)
The salaries of 150 employees in an office are given below :
An employee is selected at random. The probability that his salary is Rs 6000 or more but less than Rs 12000 is :
The following table shows the blood groups of 60 students of a class:
One student of the class is chosen at random. What is the probability that the chosen student has either blood group A or B?
Three coins are thrown simultaneously 60 times, with the following frequencies :
3 Heads : 10 times, 2 Heads : 5 times, 1 Head : 18 times, No Head : 27 times.
P (getting 3 heads) + P (getting no head) is equal to:
In an experiment, a coin is tossed 500 times. If head turns up 320 times, the experimental probability to get either a head or a tail is :
Number of matchsticks in 25 matchboxes were recorded as below :
51, 48, 50, 47, 52, 50, 51, 50, 46, 48, 47, 50, 51, 54, 45, 46, 49, 47, 48, 52, 49, 50, 48, 52, 48
If one matchbox is chosen at random, the probability that it contains exactly 50 matchsticks is :
A coin is tossed 100 times and head appears 46 times. If we toss a coin at random, what is the probability of getting a tail ?
P(Tail)
Two coins are tossed 1000 times and the outcomes are recorded as below :
Based on this information, the probability for at most one head is :
A die is tossed 1000 times and the outcomes are recorded in the following table. The probability of getting an even number is :
P(getting an even number)
Which one cannot be the probability of an event ?
Probability ranges from 0 to 1
Two coins are tossed simultaneously for 600 times and the outcomes are as follows :
Two heads : 200
One head : 160
No head : 240
The probability of getting one head is :
P(getting one head)
In an experiment, the sum of probabilities of all events is :
The sum of probabilities is 1
If P (E) denotes the probability of an event E, then :
As probability ranges from 0 to 1
In a survey, out of 200 students, it is observed that 125 students like mathematics. The probability that the students who do not like mathematics is :
A die is thrown once, a number is noted, then the probability that it is a prime number is :
Prime number are 2, 3, 5
In a cricket match, a batsman hits a sixer 8 times out of 32 balls played. The probability that a sixer is not hit in a ball is :
In an experiment 100 drawing pins were dropped on a floor. 73 landed point up and the rest landed point down. A pin is selected at random and dropped. What is the probability that the pin will land point down?
Sum of the probability of happening and not happening of an event is :
Sum of the probability of happening and not happening is 1.
A fair coin is tossed 100 times and the head occurs 58 times and tail 42 times. The experimental probability of getting a head is :
The experimental probability of getting a head is :