Advertisements
Advertisements
प्रश्न
A card is drawn at random from a pack of well shuffled 52 playing cards. Find the probability that the card drawn is – an ace.
उत्तर
A card is drawn at random from a pack of well shuffled 52 playing cards.
‘S’ is the sample space.
∴ n(S) = 52
Event A: The card drawn is an ace
∴ n(A) = 4
`∴ P(A) = (n(A))/(n(S)`
`= 4/52`
`=1/13`
Hence, the probability that the card drawn is an ace is = `1/13`.
APPEARS IN
संबंधित प्रश्न
A die is thrown once. Find the probability of getting a number greater than 2.
There are 35 students in a class of whom 20 are boys and 15 are girls. From these students one is chosen at random. What is the probability that the chosen student is a girl?
A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears a two-digit number,
A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears a number divisible by 5.
Suppose the bulb drawn in (i) is not defective and not replaced. Now, bulb is drawn at random from the rest. What is the probability that this bulb is not defective?
One card is drawn from a well-shuffled deck of 52 cards. Find the probability of drawing a 4 of spades.
One card is drawn from a well-shuffled deck of 52 cards. Find the probability of drawing a 9 of a black suit.
A card is drawn at random from a well-shuffled deck of 52 cards. Find the probability of getting a diamond.
A card is drawn at random from a well-shuffled deck of 52 cards. Find the probability of getting a king or an ace.
A card is drawn at random from a well-shuffled deck of 52 cards. Find the probability of getting a red ace.
One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting a face card.
A card is drawn at random form a well-shuffled deck of playing cards. Find the probability that the card drawn is a red king.
A card is drawn at random form a well-shuffled deck of playing cards. Find the probability that the card drawn is neither a king nor a queen.
Two dice are thrown simultaneously. What is the probability of getting a doublet?
A child’s game has 8 triangles of which 3 are blue and rest are red and 10 squares of which 6 are blue and rest are red. One piece is lost at random. Find the probability that it is a triangle
Two coins are tossed simultaneously. What is the probability of getting at most one tail?
A box contains 20 discs which are numbered from 1 to 20. If one disc is drawn at random from the box, then find the probability that the number the drawn disc is a 2-digit number.