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The probability of randomly choosing 1 blue sock is 7/10. The probability of randomly choosing 2 blue socks in a row is 7/10 x 7/10 = 49/100.

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Q: Which shows the probability of choosing 2 blue socks from a drawer having 7 blue and 3 white socks?
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Which shows the probability of choosing 2 white socks from a drawer having 6 white 3 black socks 3 brown socks and 8 gray socks?

I assume you are selecting two socks (one at a time) from the drawer to wear (for example). There are 6 white + 3 black + 3 brown + 8 gray = 20 socks in all So the probability that the first sock chosen to be white is 6/20 since there are 6 socks and 20 socks in total. 6/20 reduces down to 3/10. The probability that the second sock chosen is also white is 5/19 since there are now only 5 white socks left to be chosen and 19 socks in total (since one sock has been taken out). Thus the probability of both socks being white is: probability = 3/10 x 5/19 = 3/38


What are two ways that you can express a probability?

useing a punnett square shows two ways to express probability


You roll two dice what is the probability that the sum of the dice is less than 6 and one die shows a 2?

The probability is 5/36.


What is the probability of having 6 boys and three girls?

The question cannot be answered properly because the children's genders are not independent events. They depend on the parents' ages and their genes. Furthermore, it is often wrongly assumed that the probability of a boy is 50%. That is simply not true: the latest information shows that the probability of a boy is 52%. However, if you choose to ignore reality then the solution, based on the Binomial(9, 1/2) distribution, is that the probability is 0.1641, approximately.


What is the probability of testing positive for the disease?

The probability isP(you have the disease)*P(the test shows positive when testing someone with the disease) +P(you don't have the disease)*P(the test shows positive when testing someone without the disease).The second category is particularly important if the disease is rare but the probability of a type II error is large.

Related questions

Which shows the probability of choosing 2 white socks from a drawer having 6 white 3 black socks 3 brown socks and 8 gray socks?

I assume you are selecting two socks (one at a time) from the drawer to wear (for example). There are 6 white + 3 black + 3 brown + 8 gray = 20 socks in all So the probability that the first sock chosen to be white is 6/20 since there are 6 socks and 20 socks in total. 6/20 reduces down to 3/10. The probability that the second sock chosen is also white is 5/19 since there are now only 5 white socks left to be chosen and 19 socks in total (since one sock has been taken out). Thus the probability of both socks being white is: probability = 3/10 x 5/19 = 3/38


When a penny and a nickel are tossed. find the probability that the penny shows heads given that the nickel shows heads?

The probability is 0.5


What is the probability that the coin shows tails and the die shows a one?

3


What is the probability that the a dice 2 is drawn if the two dice total is 5?

The probability, when the 2-dice total is 5, that one of the two dice shows a two is 1/2. The probability that that die is selected is 1/4.The probability, when the 2-dice total is 5, that one of the two dice shows a two is 1/2. The probability that that die is selected is 1/4.The probability, when the 2-dice total is 5, that one of the two dice shows a two is 1/2. The probability that that die is selected is 1/4.The probability, when the 2-dice total is 5, that one of the two dice shows a two is 1/2. The probability that that die is selected is 1/4.


What are two ways that you can express a probability?

useing a punnett square shows two ways to express probability


What is a pedigree chart use for?

A pedigree chart is used to show your family tree of traits. An example is if a diagram shows your mom who had brown hair and your dad has red hair and then it shows all of the children they had and shows what color hair they had. The probability of most of the kids or all of the kids having brown hair is much higher then them having red hair.


What is the probability that you toss a coin and it shows heads and you toss a number cube and it shows 5?

1/12


What does the p score shows in a research study?

It shows the probability that the results of the study are due to mere chance.


What shows distribution of data on a number line?

A probability density function.


You roll two dice what is the probability that the sum of the dice is less than 6 and one die shows a 2?

The probability is 5/36.


What does probability show us?

It shows us the likelihood of the occurrence of specified events.


What is the cloud model?

it is basically a model that shows the probability that an eletron exists in that position