Advertisements
Advertisements
Question
A die is thrown once. Find the probability of getting an odd number.
Solution
The possible outcomes when a die is thrown = {1, 2, 3, 4, 5, 6}
number of possible outcomes of a die = 6
Odd numbers on a die = 1, 3, and 5
Total odd numbers on a die = 3
Probability of getting an odd number = `3/6 = 1/2`
APPEARS IN
RELATED QUESTIONS
A die is thrown once. Find the probability of getting a prime number.
In a simultaneous throw of a pair of dice, find the probability of getting an even number on first
In a simultaneous throw of a pair of dice, find the probability of getting a sum less than 6
One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting the queen of diamonds.
A black die and a white die are thrown at the same time. Write all the possible outcomes. What is the probability that the sum of the numbers appearing on the top of the dice is less than or equal to 12?
From a pack of 52 playing cards Jacks, queens, kings and aces of red colour are removed. From the remaining, a card is drawn at random. Find the probability that the card drawn is A black jack
12 defective pens are accidently mixed with 132 good ones. It is not possible to just look at pen and tell whether or not it is defective. one pen is taken out at random from this lot. Determine the probability that the pen taken out is good one.
Write the probability of an event which is impossible.
A circle with diameter 20 cm is drawn somewhere on a rectangular piece of paper with length 40 cm and width 30 cm. This paper is kept horizontal on table top and a dice, very small in size, is dropped on the rectangular paper without seeing towards it. If the dice falls and lands on the paper only, find the probability that it will fall and land outside the circle.
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 a prime number?
There are six cards in a box, each bearing a number from 0 to 5. Find the probability of the following event, that a card drawn show, a whole number.
A die is rolled twice. Find the probability that 5 will come up exactly one time.
A card is drawn at random from a well-shuffled deck of 52 cards. What is the probability of getting a black king?
A dice is thrown once. What is the probability that the number is even?
Two dice are numbered 1, 2, 3, 4, 5, 6 and 1, 1, 2, 2, 3, 3, respectively. They are thrown and the sum of the numbers on them is noted. Find the probability of getting each sum from 2 to 9 separately.
A coin is tossed 3 times. List the possible outcomes. Find the probability of getting at least 2 heads
The king, queen and jack of clubs are removed from a deck of 52 playing cards and then well shuffled. Now one card is drawn at random from the remaining cards. What is the probability that the card is 10 of hearts?
A jar contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is `2/3` Find the number of blue balls in the jar.
Let E be an event such that P(not E) = `1/5`, then P(E) is equal to ______.
2 cards of hearts and 4 cards of spades are missing from a pack of 52 cards. A card is drawn at random from the remaining pack. What is the probability of getting a black card?
