so nowadays we ‘re looking at the set up of having a coin and and tossing that coin six times. And we want to find the probability distribution and let ‘s search at have our position beheads. And we know that the probability of Heads is one half on a fair coin. So we ‘re tossing at six times, and that ‘s gon na be that by normal set. And let ‘s let X stand for the numeral of successes and that will be getting a heads. And we know that the binomial setting has six choose X. We will have our probability of success here, raised to the X might and our probability of a bankruptcy, which would be a chase, and that would be due to the six subtraction X power. sol in our probability distribution, we ‘re gon na have zero going all the way up to six. And we know that if we have zero successes, that means we will have 6 to 0 and 6 to 0 is one, and then we will have on half to the zeroth office because we do n’t wan sodium have any successes and we ‘re gon na have one have one half to the sixth power, which means we ‘ll have six tails and we multiply that out. We ‘re going to get one 64th. We wan sodium have one success and we ‘ll have six two ‘s one and 6 to 16 We wan sodium have one tail. Excuse me. One head. therefore, the probability of tales There will be five taels, so one head and five tails and there are six ways for that to be done. So this will give me 6/64 which again reduces down to 3/32 for two. We want a combination of six. Choose two and six. Choose to is 15. You could draw out Pascal ‘s triangle to figure that or, uh, do the calculation with the pictorials or use a calculator and we wan sodium have to Hades. consequently, we will have for tales. And so this will become 15/64 and that does n’t reduce down at all. We do n’t have three. And five is the merely matter that will divide into their 43 We ‘re gon na end up having our six choose three and six. Choose three is 20 and we ‘re gon na have one half to the third power. therefore three hats, probability of tales, and we ‘re gon na have three tails. And when you multiply this out, we ‘re going to get 20/64 in 20/60 for both of them are divisible by four. So we ‘ll get 5/16, and then we start to get through. So repeat. then, for four, when we find six, choose four. That ‘s going to be the 15. And we ‘re gon na have the one half to the one-fourth office and one half to the moment world power. So we ‘ll have four heads and two tails. however, that calculation is gon sodium be the same as two. So that ‘s gon na be the 15/64. And for 56 choose five is six and we ‘re gon na have our probability of head. So we ‘re gon na have five of those are probability of tales. This one half we ‘re gon na have one of those, and we ‘re gon na have the 6/64 which is gon sodium be the same equitable with these, uh, switched round. So we ‘re gon na end up with 6/64 or 3/32 and then having all six of them being Hades, we ‘re gon na have our six choose six, which is one our probability of heads is one half we ‘re gon na have six of those. Our probability of tales. This one half. But we ‘re not gon na have any of those. And this is gon sodium be the lapp. calculation is this, and we ‘re gon na have won over 64. So there ‘s our entire probability distribution for tossing a mint, a fair coin six times.
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Category : Economy
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