What are the odds?
I'm trying to crunch numbers better and I am wondering what is the statistical (%'s) averages when you reroll hits/wounds? Eg. I know that having BS3 means that you hit 50% of the time, but what about TL weapons? How does that number change.
I have tried this before in previous posts and have run into differing numbers. Just seeing if there is someone there that can lend a hand. 
Re: What are the odds?
Someone has a list of probabilities of rolls for a d6 and 2d6, I don't remember who, though.. might be on the main site.
Nuke 
Re: What are the odds?
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Re: What are the odds?
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Okay, let's suppose that a broadside suit is firing its missiles, at BS3. You have the following possibilities: Probability of a hit: [sup]3[/sup]/[sub]6[/sub] = 0.5 Probability of a miss: [sup]3[/sup]/[sub]6[/sub] = 0.5 Notice that the two probabilities sum to 1, like this: 0.5 + 0.5 = 1. This is important  it applies whenever you have two possibilities such that at least one of them must occur, but they can't both occur. Now, let's say that broadside fires its twinlinked railgun instead. Rather than looking at the chance for it to hit, I'll try to work out the chance for it to miss, because that's easier to figure out. Now, for a twinlinked weapon to miss, you have to miss with your first roll to hit, then miss again on the reroll. Probability of a miss with the first roll: [sup]3[/sup]/[sub]6[/sub] = 0.5 Probability of a miss with the second roll: [sup]3[/sup]/[sub]6[/sub] = 0.5 Probability of missing with both rolls: 0.5 * 0.5 = 0.25 To get the probability that both events occurred (ie, that both rolls missed), I just multiply the probabilities together. So, the chance of missing with a twinlinked weapon at BS3 is 0.25. Now, remember what I said earlier about probabilities summing to 1? The chance to miss plus the chance to hit must always equal 1, like so: (chance to hit) + (chance to miss) = 1 Therefore: (chance to hit) = 1  (chance to miss) Since I've already calculated the chance to miss, I can work it out: (chance to hit) = 1  0.25 = 0.75 So the probability of hitting with a twinlinked weapon at BS3 is 0.75, or 75%. Is that clear enough? If you're not sure, try working it out for BS2 or BS4, and post your working so you can get some feedback. 
Re: What are the odds?
This looks good and is very helpful.
Here's what I came up with: For Regular weapons: BS2 = 33% chance to hit BS3 = 50% chance to hit BS4 = 66% chance to hit BS5 = 83% chance to hit For TL weapons: BS2 = 55% chance to hit BS3 = 75% chance to hit BS4 = 88% chance to hit BS5 = 97% chance to hit [hr] This really helps for testing. Correct any of the math if it wrong. 
Re: What are the odds?
All correct! It looks like you've got the hang of it.

Re: What are the odds?
There is one I'd like to add... and that is Sharpshooters:
58.333% chance of hit. For those who are interested, here's the "full" Bs table. Bs 0 = 0.000% Bs 1 = 16.666% TL Bs 1 = 30.554% Bs 2 = 33.333% Bs 3 = 50%. TL Bs 2 = 55.554% Bs 3.1 = 58.333% [Sharpshooters] Bs 4 = 66.666% TL Bs 3 = 75% Bs 5 = 83.333% TL Bs 4 = 88.888% TL Bs 5 = 97.222% 
Re: What are the odds?
Excuse my ignorance, but I've never heard of a sharpshooter. What are they?

Re: What are the odds?
It's a Doctrine available to the Guard.

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