Advertisements
Advertisements
प्रश्न
Cards marked with numbers 1, 2, 3 ......... 20 are well shuffled and a card is drawn at random. What is the probability that the number on the card is divisible by 3?
उत्तर
Total possible outcomes = 20
Favorable outcomes for a number divisible by 3 = 3, 6, 9, 12, 15, 18
Number of favorable outcomes = 6
P(divisible by 3) = `6/20 = 3/10`
APPEARS IN
संबंधित प्रश्न
Two customers Shyam and Ekta are visiting a particular shop in the same week (Tuesday to Saturday). Each is equally likely to visit the shop on any day as on another day. What is the probability that both will visit the shop on
- the same day?
- consecutive days?
- different days?
In a simultaneous throw of a pair of dice, find the probability of getting an even number on one and a multiple of 3 on the other
A card is drawn at random from a pack of 52 cards. Find the probability that card drawn is a ten
From a pack of 52 playing cards, all cards whose numbers are multiples of 3 are removed. A card is now drawn at random. What is the probability that the card drawn is a face card (King, Jack or Queen).
What is the probability of a sure event?
A card is drawn from a pack of well - shuffled 52 playing cards . Find the probability that the card drawn is
(i) a diamond
1000 tickets of a lottery were sold and there are 5 prizes on these tickets. If Namita has purchased one lottery ticket, what is the probability of winning a prize?
When we toss a coin, there are two possible outcomes - Head or Tail. Therefore, the probability of each outcome is `1/2`. Justify your answer.
A card is drawn at random from a well-shuffled pack of 52 cards. The probability that the card drawn is not an ace is ______.
A bag contains 30 discs numbered from 1 to 30. One disc is drawn at random from the bag. Find the probability that it bears a number greater than 25.
