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Ram and Shyam participate in coin toss. Both of them are given a coin and they toss it simultaneously. If Ram lands a heads and Shyam tails, Ram wins and vice versa. If they both land heads or tails, nobody wins. Given that their coin lands different sides, find the probability of Ram’s winning?
The probability is 1/2 that a coin will turn up heads on any toss. If the coin is to be tossed three times, what is the probability that on at least one of the tosses the coin will turn up tails?
A fair coin is thrown in the air four times. If the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss ?
For each element in a set of size 2n, an unbiased coin is tossed. All the 2n coin tossed are independent. An element is chosen if the corresponding coin toss were head. The probability that exactly n elements are chosen is
A coin is tossed twice. What is the probability of getting head on first toss and tail on second toss?
What is linear_congruential_engine? for some w using Mersenne Twister algorithm b) Pseudo-random number engine that generates random unsigned integers c) Pseudo-random number engine that generates random unsigned integers in the range for some w using lagged Fibonacci generator d) Pseudo-random number engine that generates random signed integers in the range for some w using Mersenne Twister algorithm
Heavier coins are costlier. Ram’s coin is heavier than Mohan’s and costlier than Ramesh’s. Naresh’s coin is costlier than Ram’s but lighter than Yogesh’s. Ramesh’s coin is costlier than Mohan’s. So who is the owner of the costliest coin?
The diameters of two circular coins are in the ratio of 1 : 3. The smaller coin is made to roll around the bigger coin till it returns to the position from, where the process of rolling started. How many times the smaller coin rolled around the bigger coin ?
Consider the following statements.
1. If a person looks at a coin which is in a bucket of water, the coin will appear to be closer than it really is.
2. If a person under water looks at a coin above the water surface, the coin will appear to be at a higher level than it really is.
Which of the above statements is/are correct?
A wallet has three denominations of coins – Rs. 1, Rs. 5 and Rs. 10 in the ratio of 2 ∶ 3 ∶ 5. A coin is drawn at random. What us the probability that coin drawn is not a Rs. 5 coin of wallet has a total of 30 coins?