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Probability

The probability of a certain event is a number expressing the likelihood that a specific event will occur, expressed as the ratio of the number of actual occurrences to the number of possible occurrences. In mathematics, it is a measure of how often an event will happen and is the basis of statistics.

14,643 Questions

How does a portfolio with 2 stocks decrease if both stocks are increasing?

The value of a portfolio may decrease when the stocks are increasing in price if the portfolio owner is making bets that the stocks will decrease in price. One way to do this is by short selling ('shorting') a stock. This essentially means you borrow the stock and then immediately sell it, in the hope that the stock will decrease in value so you can buy it back at the lower price (the opposite of buying a stock and hoping for an increase in value).

What is the probabilty of twins?

The odds of having twins naturally in 2003 was 2.11% or 1 in 47. The probability of having twins overall has risen drastically since 1980 when it was 1.89% or 1 in 53. So the chances of conceiving twins in 2003 rose 67% from 1980. This drastic increase in twin birth rate has been widely attributed to women waiting longer to conceive, the use of fertility drugs, and the use of in vitro fertilization. Dr. B It all depends on how close to your menslrat cycle you get pregnant.

Price of 1819 indian head penny?

The price is absolutely nothing. It is absolutely worthless because it is a fake. We know it is a fake because Indian Head pennies weren't created until 1859, 40 years later. An 1819 large penny (Not Indian Head) could be worth $20 to $60, depending on the amount of wear.

Why can you use coin flips to represent sex combinations that may occur in families?

You can use a coin flip to represent sex combinations, because the coin has 2 sides. therefore it is a 50 50 chance that it could be heads or tails, just like it is a 50 50 chance that babies can be male or female however many times the coin is flipped, will show you the results of what the offspring could be :)

Here's the answer for your 9th grade biology paper LOLLLL

-HOCO student

What are the odds of getting a straight flush?

With 5 cards: Straight Flush: approx 72,192 to 1 Royal Flush: 649,740 to 1

With 6 cards:

Straight Flush: approx 12293 to 1 Royal Flush: 108289 to 1

With 7 cards:

Straight Flush: approx 3590 to 1

Royal Flush: 30939 to 1

How do you calculate split time?

A split time is basically the time it takes to run a fraction of a race. If there is a 1500 meter race, there could be split times at 400 meters, 800 meters, and 1200 meters. So the time it took to run the first 400 meters of the 1500 meter race would be called a split time.

What is the difference between census and sample investigation?

this is brief, but a census gathers data from the whole group/poulation, wheras a sample investigation on takes a small part of the group/poulation, a sample

Can phytoestrogen increase your chances of twins?

No one is quite sure why, but the Yoruba tribe in West Africa has the highest rate of twinning in the world. A study concluded that the mother's diet was the cause, being high in cassava, a type of yam or sweet potato. The peelings of this vegetable are thought to contain phytoestrogen that causes hyperovulation. In addition, a study in 2006 found that women who consume a lot of dairy are five times as likely to have twins.

What is skewed data?

In terms of SQL, Skewness is an asymmetry in the distribution of the data values or how the value is distributed accross.

Consider a table employees where you have millions of employee records and a column in that table which have either a value as 0 or 1 (F or T). Now consider out of one million records, the 1 value is applicable for only 2000 employees and the rest are having value as 0. This asymmetry or inproportionate data tells us that the column contains highly skewed data.

What are chances of having twins with no history of twins in the family?

Answer

Its very unlikely, but its possible. Its happended a few times in history....... so, probley 1 in 700,000 chance i think.

Difference between population and sample?

the difference between population and sample is that population is multiplying the # then dovidng it by 20

What does carajo mean?

Carajo means DAMN!

*The word Carajo also means: Literally mean the lookout basket in the top mast of a Spanish galeon ship. Sailors would get very sea sick when assigned to this post, so when they would think of becoming mutinous, the captain would send them up to the carajo as punishment.

What are my chances of marriage after age 37?

I married last week and I am 42. 37 is not old. My mother and a freind who has recently met a new man, friend is 52 and mother is 74. Do you have a relationship? I was in one for thirteen and a half years before he popped the question. Why is marriage so important to you?

In what possible ways would a client be different from a customer?

The term 'Customer' tends to refer to a one-off business transaction usually in a retail situation. 'Client' tends to refer to a regular customer using a professional service: a customer buys a book about Law, a client employs the services of a lawyer. Dentists have clients, shopkeepers have customers.

How do you remove rusted bolts from a ceramic toilet base?

you have to pull the entire toliet up. Then hopefully the bolts are all that are rusted. the metal (or plastic) flange the toliet carriage head style bolts run into, may be bad also. If this is the case, you will need a plumber, or elevate yourself to a higher degree of knowledge and skill to replace the flange. if just the bolts are bad, you can easily purchase new brass bolts made for toliet hold down, for about $2.00. Some older homes do not have the flange, and the bolts actually have wood screw threads on opposite end. these can be ourcahsed also, and the new bolts just run into the wood floor. However, all older home wood floors with this type of bolts i have wiorked on, the floor is so rotten, ity has to be replaced also. once again, if this is the case, a rotten floor, you need a plumber (carpenter) or have to elevate your knowledge and skill levet to tackle this isssue. if you master the toliet pull alone, make sure to always use a new wax seal gasket, they csot between $1.00 and $5.00. using the old wax gasket will only bring you leaks when you flush.

What is wrong if you have a hole in one of your back teeth and it is smelly?

You have a bad tooth. It is rotting away. You need to get that checked out, before it gets worse, and you need a route canal or something. Go, go, go. Dental caries, also known colloquially as tooth decay, is a disease of the teeth resulting in damage to tooth structure. The cavities formed because of dental caries are called dental cavities.

Are the Sears Roebuck clones of the Winchester Model 94 made using sub-standard parts processes or materials?

All the important parts should be identical. Most of the cost-cutting would have been on the wood and finish.

What are the chances of a future extinction event?

Species become extinct all the time. So the probability that one species or another will become extinct in the near future is one (meaning a certainty). But if you are asking whether a catastrophic event -- such as a huge asteroid striking the Earth and causing cataclysmic devastation -- will lead to mass extinction of all Earth's species, well, that's another matter altogether. According to NASA, the probability that the Earth will be struck by an undiscovered near-Earth object (NEO) that is bigger than one kilometer in diameter is one in 100,000 per year. The chances are much greater -- one in just 100 -- for objects the size of the one believed to have devastated a region of Siberia in 1908. (See provided link to the Tunguska event.) I am assuming that a 1-km asteroid would wreak sufficient havoc to destroy most, if not all, life on the planet.

What was the direct cause of WW1?

The assassination of Archduke Franz Ferdinand of Austria triggered the war in an imperialistic European society. It was a war that saw the new use of men and material in innovative ways and introduced the use of chemical warfare, submarines, tanks. aircraft and the machine gun.

How is math used in communication?

Maths makes your mind think quickly and logicaly. You will think quicker while communicating.

What events are happening in America in 2008?

Well, its really hard to explain this. We have global warming, you know, and the global warming is getting more powerful this year. So, maybe, its really weird saying this, but maybe, we might have a very powerful global warming this year, and it ma cause us all to die

What does a low AGAP mean?

AGAP refers to anion gap, which is the result of either the positive or negative charge in the blood. A low AGAP is not common, but may indicate multiple myeloma.

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