Advertisements
Advertisements
प्रश्न
Rohit collected the data regarding weights of students of his class and prepared the following table:
Weight (in kg) | 44 – 47 | 48 – 51 | 52 – 55 | 56 – 60 |
Number of Students | 3 | 5 | 25 | 7 |
A student is to be selected randomly from his class for some competition. The probability of selection of the student is highest whose weight is in the interval ______.
उत्तर
A student is to be selected randomly from his class for some competition. The probability of selection of the student is highest whose weight is in the interval 52 – 55.
We know that,
Probability = `"Number of favourable outcomes"/"Total number of possible outcomes"`
∴ To make the probability highest, we have to take the interval where number of students, i.e. possible outcomes are highest.
Here, the probability is highest whose weight is in the interval
APPEARS IN
संबंधित प्रश्न
Tell whether the given is certain to happen, impossible, can happen but not certain.
The next traffic light seen will be green.
Three coins are tossed together. Find the probability of getting:
exactly two heads
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
either a black card or a king
A bag contains 3 red balls, 5 black balls and 4 white balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is:
white?
A bag contains 6 red, 8 black and 4 white balls. A ball is drawn at random. What is the probability that ball drawn is not black?
A bag contains 5 white and 7 red balls. One ball is drawn at random. What is the probability that ball drawn is white?
A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is:
red
What is the probability of choosing a vowel from the alphabets?
In a school only, 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition?
On tossing a coin, the outcome is ______.