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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 do you use theoretical probability?
a machine has two parts the probability of
failure of one parts in a given period
of time is 0.06 the probability of failure
of the other part in the same period
os 0.08 what is the probability that the
machine fails in that period of time ?
If the events can be considered independent then the probability is (0.7)4 = 0.24 approx.
What are the odds of winning 7 number lottery?
It depends on the number of possibilities for each number, a piece of information that you did not provide. Please restate the question.
The generalized answer, however, is 1 in the number of combinations of N things taken M at a time, M in this case being 7, and that number is N! / (M! (M-N)!).
As an example, if M were 50, then the number of combinations of 50 things taken 7 at a time is 50*49*48*47*46*45*44/7/6/5/4/3/2, or 99,884,400. In this case, the odds would be 1 in 99,884,400 or about 0.000000010011573379.
It is 0.0833... recurring.
What is the probability of rolling a sum of 1 explain?
It depends on "rolling a sum of 1" with what. One die, two dice or more?
Difference between objective probability and subjective probability?
Objective probability is based on some basis of fact, experimentation, or analysis. Subjective probability is based on someones guess.
It's fractions. You are asking what chance a song is going to be played out of 20 when there are 7 that you'd like to be played. So 7 out of 20 will be a favourite. The way mathematicians show 7 out of 20 is 7/20 (7 divided by 20 or 7 twentieths). So the probability is 7 to 20.
Most mathematical problems will need you to divide down to the lowest common denominators, but 7:20 doesn't have one.
If it were 7 out of 21 then it could be reduced to 1 in 3 (divide by 7)
Do Chinese letters have different symbols for the same word?
In a way, yes. For example, 美 (mei) and 好听 (haoting) can both mean 'beautiful.' However, 美 is used for things that you can see (a beautiful woman or a beautiful day). 好听 is used to describe something you can hear (i.e. a beautiful name or a beautiful song).
Can probable cause be based on hearsay information?
Yes in the USA as long as:
- Received from a believable reliable source
- A reasonable person would be convinced it is true.
This is a much lower standard than to gain a conviction.
What is the probability of selecting a red jelly bean from a jar with 2 red and 2 white one?
you will always get white even after the 2 white are gone
What is the probability of rolling two dice and the sum is not divisible by 5?
The probability is 29/36.
Why are probable cause warrants issued?
For the "probable cause" that a criminal event has, or is about to occur, and by serving the warrant (search or arrest) the crime can be solved or prevented.
Probable Cause (partial definition): " . . is more than mere suspicion but less than the amount of evidence required for conviction."
What is the probability of the couple not getting children?
There is no simple answer for this.
There are many reasons why a couple may not have children:
- too old,
- same gender,
- the woman is infertile,
- the man is infertile,
- not enough sex
- too much sex
- low sperm count
Narrow down the scope and you have a much better chance of estimating.
If a man and woman are fertile, their chance is extremely high.
When two dice are thrown find probability of getting a sum of 8 or 10?
The probability is 8/36 = 4/9
The probability is 8/36 = 4/9
The probability is 8/36 = 4/9
The probability is 8/36 = 4/9
What is the probability of getting a number greater then 5 on a spinner?
The probability is
(the total number of numbers on the spinner minus 5)/(the total number of numbers on the spinner)
Another way to express the same probability is
1 - 5/(the total number of numbers on the spinner)
What is the probability of obtaining exactly 4 heads in a coin?
About a 1 in 16 chance of getting a coin to land on heads 4 times in a row.
What is the probability of drawing an ace queen and king from a standard deck with replacement?
The probability of drawing an Ace, King, and Queen from a standard deck of 52 cards, with replacement, is (4 in 52)3 or 64 in 140608, or 1 in 2197, or about 0.0004552.
Don't we need to know how many physics majors there are in the college?
Also, if you're trying to make a point about affirmative action, please note that the lines are drawn around "underrepresented minorities," not "ethnic minorities." For example, most classified as "Asian-Pacific Americans" would not directly benefit from AA.
Check the coolant level. My 2000 Ford Taurus has a constant flow cooling system and the heater will not work if the coolant level is too low.
What is the probability of selecting a jack or king on a single draw from deck of cards?
That is a rather hard question to answer. It would really depend on how many cards you have in the deck and how many jacks and kings you have Ex: If you had 30 cards and 5 jacks and kings then the probability would be 10/30 or 1/3
What is the difference between poisson distribution and poisson process?
A poisson process is a non-deterministic process where events occur continuously and independently of each other. An example of a poisson process is the radioactive decay of radionuclides.
A poisson distribution is a discrete probability distribution that represents the probability of events (having a poisson process) occurring in a certain period of time.
For the normal distribution does it always require a continuity correction?
Use the continuity correction when using the normal distribution to approximate a binomial distribution to take into account the binomial is a discrete distribution and the normal distribution is continuous.
