a letter is known to have come from either TATA NAGAR or CALCUTTA on the envelope just two consecutive letters TA are visible, what is the probability that the letter has come from 1. CALCUTTA 2. TATA NAGAR........
A card from a pack of 52 cards is lost. From the remaining cards of
the pack, two cards are drawn and are found to be both diamonds. Find
the probability of the lost card being a diamond.
6C2 how will we solve this
bag 1 contains 3 red and 4 black balls and bag 2 contains 4 red and 5 black balls. two balls are transferred at random from bag 1 to bag 2 and then a ball is drawn from bag 2. the ball so drawn is found to be red in colour. find the probability that the transferred balls were both black.
The probabilty of a cricket team winning match at Kanpur is 2/5 and losing match at delhi is 1/7 .What is the probability of the term winning atleast one match?
If A and B are two independent events such that P(not A intersection B) = 2/15 and P(A intersection not B) =1/6, then find P(B)
what is meant by unbiased die and biased die ?
A box contains 12 items of which 3 are defective.A sample of 3 items is selected from the box.Let X denotes the number of defective items in a sample.Find the probability distribution of X.
the chance that the top card in the deck is a diamond given that the fourth card from the top is eight in well shuffled deck is
is psa exam going to hv ne effect on 12 board exam??? will it effect jee in any way......experts plz do give me some useful answers on these issues....
The probability that a student entering a university will graduate is 0.4. Find out the probability that out of 3 students of the university:
1. non will graduate
2. only one will graduate
3. All will graduate
How many times must a man toss a fair coin so that the probability of having at least one head is more than 80%?
numbers are selected at random (without replacement) from the first
six positive integers. Let X denotes the larger of the two numbers
obtained. Find E(X).
If the letters INTERMEDIATE are arranged, then find the probability that two E's occur together .
In a test, an examinee either guesses or copies or knows the answer to a multiple choice question with four choices and only one correct option. The probability that he guess is 1
A can hit a target 4 times in 5 shots b 3 times in 4 shots and c 2 times in 3 shots. they fire a volley. what is the probability that 2 shots at least hit (4 marks)
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