How many socks do we need to draw out of the drawer to be sure that we have a pair of blue socks?

The answer is four. Although there are many socks in the drawer, there are only three colors, so if you take four socks then you are guaranteed to have at least one matching pair.

How many socks must he take out to be sure that he has at least two socks of the same color?

So in order to get at least two socks on the same color, you need to pick at least 7 socks. It’s a simple application of the Pigeon hole principle. Seven. Worst case: You get one of each color (six), then the seventh must match one of the others.

How many socks I must pull out of the drawer to guarantee that I have a matching pair?

To guarantee a matching pair, you have to pull out three socks. This is because there are only two colours: black and white. So if you have three socks, at least two of them have to be the same colour.

How that if you pick three socks from a drawer containing just blue socks and black socks you must get either a pair of blue socks or a pair of black socks?

since drawer only contains blue and black socks, we can only pick blue+black socks, but blue + black <= 2. therefore we can’t pick 3 socks from drawer , which is notP.

What is the minimum number of socks?

The answer is, of course, three socks. (The first two socks could match, but if not, the third sock is guaranteed to match one of the others).

What is the smallest number of socks you must take out of the drawer if there was a 40 watt bulb switched on in the room your answer?

What is the smallest number of socks you must take out of the drawer in order to be certain that you have a pair that match? Solution: Three socks.

What is the smallest number of socks you must take out of the drawer?

What is the smallest number of socks you should pull out?

6 is the smallest number of socks we should pull out so that we can be assured that we will have at least one pair of matching socks.

How many socks does it take to make a pair?

So the answer to the question ‘How many socks make a pair?’ is three.

How do you find the probability of matching socks?

The probability of picking a pair of white socks is also 1/2 of 11/23, meaning in order to get the probability of picking any matching pair, you add these two together. The final probability of picking a matching pair of socks is 11/23, or 47.8 percent.

What is the smallest number of socks you must take out?

How can you guarantee success of picking a matching pair?

To ensure a matching pair you need to add 1 more sock. If the first 2 were the same color, you have a pair. If the first 2 were different colors, the 3rd sock will match one of the first 2. So with 3 socks, you are guaranteed that at least 2 of them will be the same color.

How many red socks and white socks in a drawer?

Therefore, it completes a couple of same-color socks. Once you took out the fourth sock, there is no possibility that you do not have a same-color couple in your hands. In other words, you are guaranteed to have a couple. So the answer is, indeed, 4. A person has 14 red socks and 14 white socks in a drawer.

What is the minimum number of socks to get a pair?

Assuming you have in your pile at least two socks of the same type, then two is the minimum number of socks you must take to get a pair. The minimum number of socks, drawn blindly, to guarantee you have a matching pair? That’s not the question you asked. Question as answered: A person has 14 red socks and 14 white socks in a drawer.

How do you know if two socks are black or white?

If the first sock is black, the second one could be black, in which case you have a matching pair. If the second sock is white, the third sock will be either black and match the first sock, or white and match the second sock.

Can socks be in both red and blue state?

While the room is dark and no light is reflecting off the socks, they are both red and blue and can be in either state. But I suppose this works well only until you get to work and realize that the socks cannot be on both states as they are not capable of changing state, like a cat which can switch from alive to dead.