Let the Probability that a batter gets a hit is 1/4. If he plays 4 bats the probability that he gets at least one hit is
A problem of mathematics is given to three students whose chances of solving the problem are 1/3, 1/4 and 1/5 respectively
A die is rolled three times. the probability that the sum of
if x1, x2 ..x18 are observation such that
Out of a total of 600 bolts, 20% are too large and 10% are too small. The remaining are considered to be suitable
Ram is visiting a friend. Ram knows that his friend has 2 children and 1 of them is a boy. Assuming that a child is equally likely..
let a and b two non - null events such that a b. then,
A bag contains 3 white and 5 black balls, One ball is drawn at random. Then, the probability that it is white, is
A bag contains 4 red and 6 black balls. A ball is
A coin is tossed and a die is rolled
A person draws a card from a pack of playing cards
A four - digit number is formed by the digits 1, 2, 3, 4 with no repetition. The probability that the number is odd, is
Probability of product of a perfect square when two dice are thrown together is
A die is rolled three times. The probability of getting a larger number than the previous number each time is
The probability of getting head and tail alternately in three throws of coin
Consider the circuit, if the probability that each switch is closed is P, then find the probability of current flowing through AB
There are 4 envelopes with addresses and 4 concerning letters
For the married couple living in jammu, the probability that a husband will vote in an election is
Probability of throwing 16 in one throw with three dice is
Three numbers are chosen. at random without
The books contains 1000 pages numbered consecutively
Two decks of playing cards are well shuffled and 26 cards are randomly distributed to a player
each of a and b can take values 1 or 2 with equal probability
From a pack of 52 cards, two cards are drawn one by one without replacement
A box containing 4 white pens and 2 black pens
Cards are drawn one by one without replacement from a well shuffled pack of 52 cards
If two numbers p and q are chosen randomly from the set
In a single throw of two dice, the probability of obtaining a total of 7 or 9, iw
Let S be the sample space of the random experiment of throwing simultaneously two unbiased dice with. six faces
A number is chosen at random among the first 120 natural numbers
If the standard deviation of 3, 8, 6, 10, 12, 9, 11, 10, 12, 7 is 2.71, then the standard deviation of 30, 80, 60, 100, 120, 90, 1..
an urn contains 5 red and 2 green balls, a ball is drawn at random from the run.
Two card are given successively with replacement from a pack of 52 cards
4 boys and 2 girls occupy seats in a row at random. Then, the probability that the two girls occupy seats side by side is
in a class of 60 students, 40 opted for NCC, 30 opted NES and 20 opted both NCC and NSS.
A box contain 15 green and 10 yellow balls
A committee of five is to be chosen from a group of 9 people. The probability that a certain married couple will either serve toge..
A scientist is weighing each of 30 fishes. Their mean weight worked out is 30 g and a standard deviation is 2 g. Later, it was fou..
An urn contains 8 red and 5 white balls. Three balls are drawn at random. Then, the probability that balls of both colours are dra..
Two decks of playing cards are well shuffled and 26 cards are randomly distributed to a player. Then, the probability that the pla..
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