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probability

A Lotto is 6/49 What is the probability that at least one of the 6 numbers that appeared on the last draw will appear again for second time? What is the probability that the same number will appear
... one and write and essay for it. Now I don't have time to study all 8 questions so my question is: What is the probability of me being screwed if I study for 5 questions only? I mean I know no math or...
...n. How many men are there along with Ramesh and what is the money with poorest fellow. 4) 8 x 8 chess board. probability of taking two number of 3 squares diagonally = ? Reg...
...tness correctly identified each one of the two colours 80% of the time and failed 20% of the time. What is the probability that the cab involved in the accident was Blue rather than Green? If it looks...
...tries) and the number of correct entries received each week is constant, and George has won exacty as often as probability would predict, then how many people submit correct solutions each week? Cia...
...his/her assigned seat if it is not already taken; otherwise, s/he selects at random an empty seat. What is the probability that the last passenger to board (i.e., the Nth passenger) sits in her assign...
... will eventually reveal these pitfalls/opportunites for the gain or detriment of the player. You can imagine a probability distribution of gain/loss for moves over the horizon, with small gains or los...
...illuminating. It appears that, in order to select fairly among n possibilities, you might (but presumably with probability 0) have to toss a coin an infinite number of times unless n is some power of ...
...ut in the bag and the bag is shaken. A piece of fruit is drawn out, which happens to be an orange. What is the probability that the remaining piece of fruit in the bag is an orange? [snip] Is this...
We need to choose Bernoulli random variables x_i. Each x_i must be one with probability p_i (zero otherwise), but the x_i do not need to be independent. The easy way to do this is to choose x_i indepe
You have a cube with two sides painted red. You roll the cube N times. What is the probability that you will have rolled 'red' on at least two consecutive throws? Bill Ryan
S and N-N The probability of selecting the car is the same (i.e.. 1/2) if you do or do not switch the door you have selected at the second opportunity to select. On my first approach I reasoned th
... Therefore, the odds are 2 to 1 that he holds the ace of spades. One could make the same case that B has a 2/3 probability of holding the ace. What’s wrong with this picture? ***** For bridge pl...
Hi, Does anyone know (or work out) the probability of the patience game called clock working out? If you are not familiar with this game then the rules can be found at: http://www.solitaire-card
I have a real life probaiblity puzzle, derived from a video game (Super Smash Brothers Melee) that I don't know how to approach (at least not with brute force simulations...) This game has about 125
...t, after observing its color, you must decide whether W=A or W=B. Prove that if 1/2 < X < 2/3, to maximize the probability of making a correct decision, you should select the ball from box B. Prove al...
We throw a dice several times, say 10 times, what is the probability of getting certain number, say 6, come up at least once? Can you explain the reasoning for the answer?
...aw a lime between them to form a chord. You repeat this process with two other random numbers. What is the probability that the two chords intersect? Bonus question: What would be the average di...
...tice using the buttons. The spaceman will be given a 'quantum coin', which generates heads or tails with equal probability, and will produce results that are uncorrelated with his copy's coin. The spa...
...g taken and the marble being removed before the next one is rolled. Here are 2 arguments as to what is Sally's probability of winning. Argument 1: Since they are equally skilled each marble has an equ...
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